Home / 3,429.57-4,732.65-2,103.06

Finding the Fourth Proportional to 3,429.57, 4,732.65 and 2,103.06

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Solution

The fourth proportional to 3,429.57, 4,732.65 and 2,103.06 is: 2,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.57 : 4,732.65 = 2,103.06 : x
  2. Step 2: Convert to fraction form
    3,429.57/4,732.65 = 2,103.06/x
  3. Step 3: Cross multiply
    3,429.57x = 4,732.65 × 2,103.06
  4. Step 4: Simplify right side
    3,429.57x = 9,953,046.91
  5. Step 5: Solve for x
    x = 9,953,046.91/3,429.57
  6. Step 6: Final answer
    x = 2,902.13

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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.