Home / 3,717.38-5,129.87-2,038.77

Finding the Fourth Proportional to 3,717.38, 5,129.87 and 2,038.77

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Solution

The fourth proportional to 3,717.38, 5,129.87 and 2,038.77 is: 2,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.38 : 5,129.87 = 2,038.77 : x
  2. Step 2: Convert to fraction form
    3,717.38/5,129.87 = 2,038.77/x
  3. Step 3: Cross multiply
    3,717.38x = 5,129.87 × 2,038.77
  4. Step 4: Simplify right side
    3,717.38x = 10,458,625.06
  5. Step 5: Solve for x
    x = 10,458,625.06/3,717.38
  6. Step 6: Final answer
    x = 2,813.44

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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.