Home / 3,124.11-4,686.17-1,176.87

Finding the Fourth Proportional to 3,124.11, 4,686.17 and 1,176.87

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Solution

The fourth proportional to 3,124.11, 4,686.17 and 1,176.87 is: 1,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.11 : 4,686.17 = 1,176.87 : x
  2. Step 2: Convert to fraction form
    3,124.11/4,686.17 = 1,176.87/x
  3. Step 3: Cross multiply
    3,124.11x = 4,686.17 × 1,176.87
  4. Step 4: Simplify right side
    3,124.11x = 5,515,007.00
  5. Step 5: Solve for x
    x = 5,515,007.00/3,124.11
  6. Step 6: Final answer
    x = 1,765.31

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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.