Home / 2,617.13-3,925.70-1,317.71

Finding the Fourth Proportional to 2,617.13, 3,925.70 and 1,317.71

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Solution

The fourth proportional to 2,617.13, 3,925.70 and 1,317.71 is: 1,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.13 : 3,925.70 = 1,317.71 : x
  2. Step 2: Convert to fraction form
    2,617.13/3,925.70 = 1,317.71/x
  3. Step 3: Cross multiply
    2,617.13x = 3,925.70 × 1,317.71
  4. Step 4: Simplify right side
    2,617.13x = 5,172,934.15
  5. Step 5: Solve for x
    x = 5,172,934.15/2,617.13
  6. Step 6: Final answer
    x = 1,976.57

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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.