Home / 3,555.62-5,337.08-3,424.40

Finding the Fourth Proportional to 3,555.62, 5,337.08 and 3,424.40

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Solution

The fourth proportional to 3,555.62, 5,337.08 and 3,424.40 is: 5,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.62 : 5,337.08 = 3,424.40 : x
  2. Step 2: Convert to fraction form
    3,555.62/5,337.08 = 3,424.40/x
  3. Step 3: Cross multiply
    3,555.62x = 5,337.08 × 3,424.40
  4. Step 4: Simplify right side
    3,555.62x = 18,276,296.75
  5. Step 5: Solve for x
    x = 18,276,296.75/3,555.62
  6. Step 6: Final answer
    x = 5,140.12

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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.