Home / 2,652.32-3,979.18-1,008.84

Finding the Fourth Proportional to 2,652.32, 3,979.18 and 1,008.84

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Solution

The fourth proportional to 2,652.32, 3,979.18 and 1,008.84 is: 1,513.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.32 : 3,979.18 = 1,008.84 : x
  2. Step 2: Convert to fraction form
    2,652.32/3,979.18 = 1,008.84/x
  3. Step 3: Cross multiply
    2,652.32x = 3,979.18 × 1,008.84
  4. Step 4: Simplify right side
    2,652.32x = 4,014,355.95
  5. Step 5: Solve for x
    x = 4,014,355.95/2,652.32
  6. Step 6: Final answer
    x = 1,513.53

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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.