Home / 1,765.12-2,437.16-1,176.88

Finding the Fourth Proportional to 1,765.12, 2,437.16 and 1,176.88

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Solution

The fourth proportional to 1,765.12, 2,437.16 and 1,176.88 is: 1,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.12 : 2,437.16 = 1,176.88 : x
  2. Step 2: Convert to fraction form
    1,765.12/2,437.16 = 1,176.88/x
  3. Step 3: Cross multiply
    1,765.12x = 2,437.16 × 1,176.88
  4. Step 4: Simplify right side
    1,765.12x = 2,868,244.86
  5. Step 5: Solve for x
    x = 2,868,244.86/1,765.12
  6. Step 6: Final answer
    x = 1,624.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.