Home / 1,931.66-2,897.59-1,470.16

Finding the Fourth Proportional to 1,931.66, 2,897.59 and 1,470.16

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Solution

The fourth proportional to 1,931.66, 2,897.59 and 1,470.16 is: 2,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.66 : 2,897.59 = 1,470.16 : x
  2. Step 2: Convert to fraction form
    1,931.66/2,897.59 = 1,470.16/x
  3. Step 3: Cross multiply
    1,931.66x = 2,897.59 × 1,470.16
  4. Step 4: Simplify right side
    1,931.66x = 4,259,920.91
  5. Step 5: Solve for x
    x = 4,259,920.91/1,931.66
  6. Step 6: Final answer
    x = 2,205.32

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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.