Home / 3,714.18-5,572.20-2,620.68

Finding the Fourth Proportional to 3,714.18, 5,572.20 and 2,620.68

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Solution

The fourth proportional to 3,714.18, 5,572.20 and 2,620.68 is: 3,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.18 : 5,572.20 = 2,620.68 : x
  2. Step 2: Convert to fraction form
    3,714.18/5,572.20 = 2,620.68/x
  3. Step 3: Cross multiply
    3,714.18x = 5,572.20 × 2,620.68
  4. Step 4: Simplify right side
    3,714.18x = 14,602,983.82
  5. Step 5: Solve for x
    x = 14,602,983.82/3,714.18
  6. Step 6: Final answer
    x = 3,931.68

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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.