Home / 2,538.32-3,807.48-1,152.12

Finding the Fourth Proportional to 2,538.32, 3,807.48 and 1,152.12

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Solution

The fourth proportional to 2,538.32, 3,807.48 and 1,152.12 is: 1,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.32 : 3,807.48 = 1,152.12 : x
  2. Step 2: Convert to fraction form
    2,538.32/3,807.48 = 1,152.12/x
  3. Step 3: Cross multiply
    2,538.32x = 3,807.48 × 1,152.12
  4. Step 4: Simplify right side
    2,538.32x = 4,386,673.86
  5. Step 5: Solve for x
    x = 4,386,673.86/2,538.32
  6. Step 6: Final answer
    x = 1,728.18

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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.