Home / 3,130.24-4,689.58-2,714.71

Finding the Fourth Proportional to 3,130.24, 4,689.58 and 2,714.71

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Solution

The fourth proportional to 3,130.24, 4,689.58 and 2,714.71 is: 4,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.24 : 4,689.58 = 2,714.71 : x
  2. Step 2: Convert to fraction form
    3,130.24/4,689.58 = 2,714.71/x
  3. Step 3: Cross multiply
    3,130.24x = 4,689.58 × 2,714.71
  4. Step 4: Simplify right side
    3,130.24x = 12,730,812.70
  5. Step 5: Solve for x
    x = 12,730,812.70/3,130.24
  6. Step 6: Final answer
    x = 4,067.05

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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.