Home / 2,995.15-4,127.22-2,318.87

Finding the Fourth Proportional to 2,995.15, 4,127.22 and 2,318.87

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Solution

The fourth proportional to 2,995.15, 4,127.22 and 2,318.87 is: 3,195.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.15 : 4,127.22 = 2,318.87 : x
  2. Step 2: Convert to fraction form
    2,995.15/4,127.22 = 2,318.87/x
  3. Step 3: Cross multiply
    2,995.15x = 4,127.22 × 2,318.87
  4. Step 4: Simplify right side
    2,995.15x = 9,570,472.83
  5. Step 5: Solve for x
    x = 9,570,472.83/2,995.15
  6. Step 6: Final answer
    x = 3,195.33

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1.5x scale

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.