Home / 2,077.86-3,117.24-617.13

Finding the Fourth Proportional to 2,077.86, 3,117.24 and 617.13

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Solution

The fourth proportional to 2,077.86, 3,117.24 and 617.13 is: 925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.86 : 3,117.24 = 617.13 : x
  2. Step 2: Convert to fraction form
    2,077.86/3,117.24 = 617.13/x
  3. Step 3: Cross multiply
    2,077.86x = 3,117.24 × 617.13
  4. Step 4: Simplify right side
    2,077.86x = 1,923,742.32
  5. Step 5: Solve for x
    x = 1,923,742.32/2,077.86
  6. Step 6: Final answer
    x = 925.83

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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.