Home / 3,130.83-4,693.17-1,742.88

Finding the Fourth Proportional to 3,130.83, 4,693.17 and 1,742.88

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Solution

The fourth proportional to 3,130.83, 4,693.17 and 1,742.88 is: 2,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.83 : 4,693.17 = 1,742.88 : x
  2. Step 2: Convert to fraction form
    3,130.83/4,693.17 = 1,742.88/x
  3. Step 3: Cross multiply
    3,130.83x = 4,693.17 × 1,742.88
  4. Step 4: Simplify right side
    3,130.83x = 8,179,632.13
  5. Step 5: Solve for x
    x = 8,179,632.13/3,130.83
  6. Step 6: Final answer
    x = 2,612.61

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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.