Home / 3,537.28-5,308.80-2,830.72

Finding the Fourth Proportional to 3,537.28, 5,308.80 and 2,830.72

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Solution

The fourth proportional to 3,537.28, 5,308.80 and 2,830.72 is: 4,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.28 : 5,308.80 = 2,830.72 : x
  2. Step 2: Convert to fraction form
    3,537.28/5,308.80 = 2,830.72/x
  3. Step 3: Cross multiply
    3,537.28x = 5,308.80 × 2,830.72
  4. Step 4: Simplify right side
    3,537.28x = 15,027,726.34
  5. Step 5: Solve for x
    x = 15,027,726.34/3,537.28
  6. Step 6: Final answer
    x = 4,248.38

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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.