Home / 2,442.32-3,660.18-1,125.32

Finding the Fourth Proportional to 2,442.32, 3,660.18 and 1,125.32

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Solution

The fourth proportional to 2,442.32, 3,660.18 and 1,125.32 is: 1,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.32 : 3,660.18 = 1,125.32 : x
  2. Step 2: Convert to fraction form
    2,442.32/3,660.18 = 1,125.32/x
  3. Step 3: Cross multiply
    2,442.32x = 3,660.18 × 1,125.32
  4. Step 4: Simplify right side
    2,442.32x = 4,118,873.76
  5. Step 5: Solve for x
    x = 4,118,873.76/2,442.32
  6. Step 6: Final answer
    x = 1,686.46

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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.