Home / 2,475.19-3,710.35-1,177.57

Finding the Fourth Proportional to 2,475.19, 3,710.35 and 1,177.57

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Solution

The fourth proportional to 2,475.19, 3,710.35 and 1,177.57 is: 1,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.19 : 3,710.35 = 1,177.57 : x
  2. Step 2: Convert to fraction form
    2,475.19/3,710.35 = 1,177.57/x
  3. Step 3: Cross multiply
    2,475.19x = 3,710.35 × 1,177.57
  4. Step 4: Simplify right side
    2,475.19x = 4,369,196.85
  5. Step 5: Solve for x
    x = 4,369,196.85/2,475.19
  6. Step 6: Final answer
    x = 1,765.20

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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.