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Finding the Fourth Proportional to 2,627.50, 3,941.25 and 1,088.50

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Solution

The fourth proportional to 2,627.50, 3,941.25 and 1,088.50 is: 1,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.50 : 3,941.25 = 1,088.50 : x
  2. Step 2: Convert to fraction form
    2,627.50/3,941.25 = 1,088.50/x
  3. Step 3: Cross multiply
    2,627.50x = 3,941.25 × 1,088.50
  4. Step 4: Simplify right side
    2,627.50x = 4,290,050.63
  5. Step 5: Solve for x
    x = 4,290,050.63/2,627.50
  6. Step 6: Final answer
    x = 1,632.75

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Double scale
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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.