Home / 3,715.68-5,572.89-1,376.79

Finding the Fourth Proportional to 3,715.68, 5,572.89 and 1,376.79

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Solution

The fourth proportional to 3,715.68, 5,572.89 and 1,376.79 is: 2,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.68 : 5,572.89 = 1,376.79 : x
  2. Step 2: Convert to fraction form
    3,715.68/5,572.89 = 1,376.79/x
  3. Step 3: Cross multiply
    3,715.68x = 5,572.89 × 1,376.79
  4. Step 4: Simplify right side
    3,715.68x = 7,672,699.22
  5. Step 5: Solve for x
    x = 7,672,699.22/3,715.68
  6. Step 6: Final answer
    x = 2,064.95

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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.