Home / 2,929.67-4,387.21-1,693.10

Finding the Fourth Proportional to 2,929.67, 4,387.21 and 1,693.10

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Solution

The fourth proportional to 2,929.67, 4,387.21 and 1,693.10 is: 2,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.67 : 4,387.21 = 1,693.10 : x
  2. Step 2: Convert to fraction form
    2,929.67/4,387.21 = 1,693.10/x
  3. Step 3: Cross multiply
    2,929.67x = 4,387.21 × 1,693.10
  4. Step 4: Simplify right side
    2,929.67x = 7,428,001.51
  5. Step 5: Solve for x
    x = 7,428,001.51/2,929.67
  6. Step 6: Final answer
    x = 2,535.44

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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.