Home / 3,605.22-5,407.80-2,437.20

Finding the Fourth Proportional to 3,605.22, 5,407.80 and 2,437.20

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Solution

The fourth proportional to 3,605.22, 5,407.80 and 2,437.20 is: 3,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.22 : 5,407.80 = 2,437.20 : x
  2. Step 2: Convert to fraction form
    3,605.22/5,407.80 = 2,437.20/x
  3. Step 3: Cross multiply
    3,605.22x = 5,407.80 × 2,437.20
  4. Step 4: Simplify right side
    3,605.22x = 13,179,890.16
  5. Step 5: Solve for x
    x = 13,179,890.16/3,605.22
  6. Step 6: Final answer
    x = 3,655.78

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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.