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Finding the Fourth Proportional to 1,948.02, 2,909.96 and 1,752.71

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Solution

The fourth proportional to 1,948.02, 2,909.96 and 1,752.71 is: 2,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.02 : 2,909.96 = 1,752.71 : x
  2. Step 2: Convert to fraction form
    1,948.02/2,909.96 = 1,752.71/x
  3. Step 3: Cross multiply
    1,948.02x = 2,909.96 × 1,752.71
  4. Step 4: Simplify right side
    1,948.02x = 5,100,299.25
  5. Step 5: Solve for x
    x = 5,100,299.25/1,948.02
  6. Step 6: Final answer
    x = 2,618.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.