Home / 3,377.72-4,657.56-2,931.68

Finding the Fourth Proportional to 3,377.72, 4,657.56 and 2,931.68

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Solution

The fourth proportional to 3,377.72, 4,657.56 and 2,931.68 is: 4,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.72 : 4,657.56 = 2,931.68 : x
  2. Step 2: Convert to fraction form
    3,377.72/4,657.56 = 2,931.68/x
  3. Step 3: Cross multiply
    3,377.72x = 4,657.56 × 2,931.68
  4. Step 4: Simplify right side
    3,377.72x = 13,654,475.50
  5. Step 5: Solve for x
    x = 13,654,475.50/3,377.72
  6. Step 6: Final answer
    x = 4,042.51

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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.