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Finding the Fourth Proportional to 3,472.84, 5,203.18 and 2,891.57

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Solution

The fourth proportional to 3,472.84, 5,203.18 and 2,891.57 is: 4,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.84 : 5,203.18 = 2,891.57 : x
  2. Step 2: Convert to fraction form
    3,472.84/5,203.18 = 2,891.57/x
  3. Step 3: Cross multiply
    3,472.84x = 5,203.18 × 2,891.57
  4. Step 4: Simplify right side
    3,472.84x = 15,045,359.19
  5. Step 5: Solve for x
    x = 15,045,359.19/3,472.84
  6. Step 6: Final answer
    x = 4,332.29

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1.5x scale

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.