Home / 3,529.52-5,267.38-3,140.72

Finding the Fourth Proportional to 3,529.52, 5,267.38 and 3,140.72

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Solution

The fourth proportional to 3,529.52, 5,267.38 and 3,140.72 is: 4,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.52 : 5,267.38 = 3,140.72 : x
  2. Step 2: Convert to fraction form
    3,529.52/5,267.38 = 3,140.72/x
  3. Step 3: Cross multiply
    3,529.52x = 5,267.38 × 3,140.72
  4. Step 4: Simplify right side
    3,529.52x = 16,543,365.71
  5. Step 5: Solve for x
    x = 16,543,365.71/3,529.52
  6. Step 6: Final answer
    x = 4,687.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.