Home / 3,388.28-5,082.26-1,655.16

Finding the Fourth Proportional to 3,388.28, 5,082.26 and 1,655.16

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Solution

The fourth proportional to 3,388.28, 5,082.26 and 1,655.16 is: 2,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.28 : 5,082.26 = 1,655.16 : x
  2. Step 2: Convert to fraction form
    3,388.28/5,082.26 = 1,655.16/x
  3. Step 3: Cross multiply
    3,388.28x = 5,082.26 × 1,655.16
  4. Step 4: Simplify right side
    3,388.28x = 8,411,953.46
  5. Step 5: Solve for x
    x = 8,411,953.46/3,388.28
  6. Step 6: Final answer
    x = 2,482.66

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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.