Home / 1,492.20-2,239.10-1,487.52

Finding the Fourth Proportional to 1,492.20, 2,239.10 and 1,487.52

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Solution

The fourth proportional to 1,492.20, 2,239.10 and 1,487.52 is: 2,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.20 : 2,239.10 = 1,487.52 : x
  2. Step 2: Convert to fraction form
    1,492.20/2,239.10 = 1,487.52/x
  3. Step 3: Cross multiply
    1,492.20x = 2,239.10 × 1,487.52
  4. Step 4: Simplify right side
    1,492.20x = 3,330,706.03
  5. Step 5: Solve for x
    x = 3,330,706.03/1,492.20
  6. Step 6: Final answer
    x = 2,232.08

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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.