Home / 3,342.20-5,015.52-1,492.70

Finding the Fourth Proportional to 3,342.20, 5,015.52 and 1,492.70

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Solution

The fourth proportional to 3,342.20, 5,015.52 and 1,492.70 is: 2,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.20 : 5,015.52 = 1,492.70 : x
  2. Step 2: Convert to fraction form
    3,342.20/5,015.52 = 1,492.70/x
  3. Step 3: Cross multiply
    3,342.20x = 5,015.52 × 1,492.70
  4. Step 4: Simplify right side
    3,342.20x = 7,486,641.63
  5. Step 5: Solve for x
    x = 7,486,641.63/3,342.20
  6. Step 6: Final answer
    x = 2,240.04

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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.