Home / 3,715.28-5,572.58-1,249.77

Finding the Fourth Proportional to 3,715.28, 5,572.58 and 1,249.77

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Solution

The fourth proportional to 3,715.28, 5,572.58 and 1,249.77 is: 1,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.28 : 5,572.58 = 1,249.77 : x
  2. Step 2: Convert to fraction form
    3,715.28/5,572.58 = 1,249.77/x
  3. Step 3: Cross multiply
    3,715.28x = 5,572.58 × 1,249.77
  4. Step 4: Simplify right side
    3,715.28x = 6,964,437.06
  5. Step 5: Solve for x
    x = 6,964,437.06/3,715.28
  6. Step 6: Final answer
    x = 1,874.54

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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.