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Finding the Fourth Proportional to 2,088.54, 3,132.81 and 627.69

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Solution

The fourth proportional to 2,088.54, 3,132.81 and 627.69 is: 941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.54 : 3,132.81 = 627.69 : x
  2. Step 2: Convert to fraction form
    2,088.54/3,132.81 = 627.69/x
  3. Step 3: Cross multiply
    2,088.54x = 3,132.81 × 627.69
  4. Step 4: Simplify right side
    2,088.54x = 1,966,433.51
  5. Step 5: Solve for x
    x = 1,966,433.51/2,088.54
  6. Step 6: Final answer
    x = 941.54

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.