Home / 1,882.02-2,823.16-495.39

Finding the Fourth Proportional to 1,882.02, 2,823.16 and 495.39

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Solution

The fourth proportional to 1,882.02, 2,823.16 and 495.39 is: 743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.02 : 2,823.16 = 495.39 : x
  2. Step 2: Convert to fraction form
    1,882.02/2,823.16 = 495.39/x
  3. Step 3: Cross multiply
    1,882.02x = 2,823.16 × 495.39
  4. Step 4: Simplify right side
    1,882.02x = 1,398,565.23
  5. Step 5: Solve for x
    x = 1,398,565.23/1,882.02
  6. Step 6: Final answer
    x = 743.12

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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.