Home / 1,825.45-2,740.20-1,132.90

Finding the Fourth Proportional to 1,825.45, 2,740.20 and 1,132.90

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Solution

The fourth proportional to 1,825.45, 2,740.20 and 1,132.90 is: 1,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.45 : 2,740.20 = 1,132.90 : x
  2. Step 2: Convert to fraction form
    1,825.45/2,740.20 = 1,132.90/x
  3. Step 3: Cross multiply
    1,825.45x = 2,740.20 × 1,132.90
  4. Step 4: Simplify right side
    1,825.45x = 3,104,372.58
  5. Step 5: Solve for x
    x = 3,104,372.58/1,825.45
  6. Step 6: Final answer
    x = 1,700.61

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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.