Home / 3,710.60-5,557.80-2,247.20

Finding the Fourth Proportional to 3,710.60, 5,557.80 and 2,247.20

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Solution

The fourth proportional to 3,710.60, 5,557.80 and 2,247.20 is: 3,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.60 : 5,557.80 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    3,710.60/5,557.80 = 2,247.20/x
  3. Step 3: Cross multiply
    3,710.60x = 5,557.80 × 2,247.20
  4. Step 4: Simplify right side
    3,710.60x = 12,489,488.16
  5. Step 5: Solve for x
    x = 12,489,488.16/3,710.60
  6. Step 6: Final answer
    x = 3,365.89

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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.