Home / 1,731.48-2,387.04-1,171.06

Finding the Fourth Proportional to 1,731.48, 2,387.04 and 1,171.06

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Solution

The fourth proportional to 1,731.48, 2,387.04 and 1,171.06 is: 1,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.48 : 2,387.04 = 1,171.06 : x
  2. Step 2: Convert to fraction form
    1,731.48/2,387.04 = 1,171.06/x
  3. Step 3: Cross multiply
    1,731.48x = 2,387.04 × 1,171.06
  4. Step 4: Simplify right side
    1,731.48x = 2,795,356.70
  5. Step 5: Solve for x
    x = 2,795,356.70/1,731.48
  6. Step 6: Final answer
    x = 1,614.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.