Home / 3,580.83-5,371.85-1,115.16

Finding the Fourth Proportional to 3,580.83, 5,371.85 and 1,115.16

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Solution

The fourth proportional to 3,580.83, 5,371.85 and 1,115.16 is: 1,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.83 : 5,371.85 = 1,115.16 : x
  2. Step 2: Convert to fraction form
    3,580.83/5,371.85 = 1,115.16/x
  3. Step 3: Cross multiply
    3,580.83x = 5,371.85 × 1,115.16
  4. Step 4: Simplify right side
    3,580.83x = 5,990,472.25
  5. Step 5: Solve for x
    x = 5,990,472.25/3,580.83
  6. Step 6: Final answer
    x = 1,672.93

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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.