Home / 1,882.47-2,821.08-1,603.38

Finding the Fourth Proportional to 1,882.47, 2,821.08 and 1,603.38

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Solution

The fourth proportional to 1,882.47, 2,821.08 and 1,603.38 is: 2,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.47 : 2,821.08 = 1,603.38 : x
  2. Step 2: Convert to fraction form
    1,882.47/2,821.08 = 1,603.38/x
  3. Step 3: Cross multiply
    1,882.47x = 2,821.08 × 1,603.38
  4. Step 4: Simplify right side
    1,882.47x = 4,523,263.25
  5. Step 5: Solve for x
    x = 4,523,263.25/1,882.47
  6. Step 6: Final answer
    x = 2,402.83

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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.