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Finding the Fourth Proportional to 2,088.66, 3,132.99 and 627.81

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Solution

The fourth proportional to 2,088.66, 3,132.99 and 627.81 is: 941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.66 : 3,132.99 = 627.81 : x
  2. Step 2: Convert to fraction form
    2,088.66/3,132.99 = 627.81/x
  3. Step 3: Cross multiply
    2,088.66x = 3,132.99 × 627.81
  4. Step 4: Simplify right side
    2,088.66x = 1,966,922.45
  5. Step 5: Solve for x
    x = 1,966,922.45/2,088.66
  6. Step 6: Final answer
    x = 941.72

Related Problems

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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.