Home / 3,710.49-5,122.08-2,715.81

Finding the Fourth Proportional to 3,710.49, 5,122.08 and 2,715.81

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Solution

The fourth proportional to 3,710.49, 5,122.08 and 2,715.81 is: 3,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.49 : 5,122.08 = 2,715.81 : x
  2. Step 2: Convert to fraction form
    3,710.49/5,122.08 = 2,715.81/x
  3. Step 3: Cross multiply
    3,710.49x = 5,122.08 × 2,715.81
  4. Step 4: Simplify right side
    3,710.49x = 13,910,596.08
  5. Step 5: Solve for x
    x = 13,910,596.08/3,710.49
  6. Step 6: Final answer
    x = 3,748.99

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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.