Home / 1,388.36-2,082.02-566.19

Finding the Fourth Proportional to 1,388.36, 2,082.02 and 566.19

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Solution

The fourth proportional to 1,388.36, 2,082.02 and 566.19 is: 849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388.36 : 2,082.02 = 566.19 : x
  2. Step 2: Convert to fraction form
    1,388.36/2,082.02 = 566.19/x
  3. Step 3: Cross multiply
    1,388.36x = 2,082.02 × 566.19
  4. Step 4: Simplify right side
    1,388.36x = 1,178,818.90
  5. Step 5: Solve for x
    x = 1,178,818.90/1,388.36
  6. Step 6: Final answer
    x = 849.07

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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.