Home / 3,715.08-5,572.62-1,119.84

Finding the Fourth Proportional to 3,715.08, 5,572.62 and 1,119.84

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Solution

The fourth proportional to 3,715.08, 5,572.62 and 1,119.84 is: 1,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.08 : 5,572.62 = 1,119.84 : x
  2. Step 2: Convert to fraction form
    3,715.08/5,572.62 = 1,119.84/x
  3. Step 3: Cross multiply
    3,715.08x = 5,572.62 × 1,119.84
  4. Step 4: Simplify right side
    3,715.08x = 6,240,442.78
  5. Step 5: Solve for x
    x = 6,240,442.78/3,715.08
  6. Step 6: Final answer
    x = 1,679.76

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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.