Home / 3,117.29-4,301.78-2,053.76

Finding the Fourth Proportional to 3,117.29, 4,301.78 and 2,053.76

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Solution

The fourth proportional to 3,117.29, 4,301.78 and 2,053.76 is: 2,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.29 : 4,301.78 = 2,053.76 : x
  2. Step 2: Convert to fraction form
    3,117.29/4,301.78 = 2,053.76/x
  3. Step 3: Cross multiply
    3,117.29x = 4,301.78 × 2,053.76
  4. Step 4: Simplify right side
    3,117.29x = 8,834,791.92
  5. Step 5: Solve for x
    x = 8,834,791.92/3,117.29
  6. Step 6: Final answer
    x = 2,834.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.