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Finding the Fourth Proportional to 1,492.01, 2,238.11 and 833.88

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Solution

The fourth proportional to 1,492.01, 2,238.11 and 833.88 is: 1,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.01 : 2,238.11 = 833.88 : x
  2. Step 2: Convert to fraction form
    1,492.01/2,238.11 = 833.88/x
  3. Step 3: Cross multiply
    1,492.01x = 2,238.11 × 833.88
  4. Step 4: Simplify right side
    1,492.01x = 1,866,315.17
  5. Step 5: Solve for x
    x = 1,866,315.17/1,492.01
  6. Step 6: Final answer
    x = 1,250.87

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1.5x scale

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.