Home / 3,554.72-4,909.52-2,373.76

Finding the Fourth Proportional to 3,554.72, 4,909.52 and 2,373.76

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Solution

The fourth proportional to 3,554.72, 4,909.52 and 2,373.76 is: 3,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.72 : 4,909.52 = 2,373.76 : x
  2. Step 2: Convert to fraction form
    3,554.72/4,909.52 = 2,373.76/x
  3. Step 3: Cross multiply
    3,554.72x = 4,909.52 × 2,373.76
  4. Step 4: Simplify right side
    3,554.72x = 11,654,022.20
  5. Step 5: Solve for x
    x = 11,654,022.20/3,554.72
  6. Step 6: Final answer
    x = 3,278.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.