Home / 1,882.12-2,818.14-1,492.90

Finding the Fourth Proportional to 1,882.12, 2,818.14 and 1,492.90

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Solution

The fourth proportional to 1,882.12, 2,818.14 and 1,492.90 is: 2,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.12 : 2,818.14 = 1,492.90 : x
  2. Step 2: Convert to fraction form
    1,882.12/2,818.14 = 1,492.90/x
  3. Step 3: Cross multiply
    1,882.12x = 2,818.14 × 1,492.90
  4. Step 4: Simplify right side
    1,882.12x = 4,207,201.21
  5. Step 5: Solve for x
    x = 4,207,201.21/1,882.12
  6. Step 6: Final answer
    x = 2,235.35

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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.