Home / 3,429.40-4,732.53-1,937.31

Finding the Fourth Proportional to 3,429.40, 4,732.53 and 1,937.31

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Solution

The fourth proportional to 3,429.40, 4,732.53 and 1,937.31 is: 2,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.40 : 4,732.53 = 1,937.31 : x
  2. Step 2: Convert to fraction form
    3,429.40/4,732.53 = 1,937.31/x
  3. Step 3: Cross multiply
    3,429.40x = 4,732.53 × 1,937.31
  4. Step 4: Simplify right side
    3,429.40x = 9,168,377.69
  5. Step 5: Solve for x
    x = 9,168,377.69/3,429.40
  6. Step 6: Final answer
    x = 2,673.47

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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.