Home / 3,187.40-4,399.62-2,527.16

Finding the Fourth Proportional to 3,187.40, 4,399.62 and 2,527.16

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Solution

The fourth proportional to 3,187.40, 4,399.62 and 2,527.16 is: 3,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.40 : 4,399.62 = 2,527.16 : x
  2. Step 2: Convert to fraction form
    3,187.40/4,399.62 = 2,527.16/x
  3. Step 3: Cross multiply
    3,187.40x = 4,399.62 × 2,527.16
  4. Step 4: Simplify right side
    3,187.40x = 11,118,543.68
  5. Step 5: Solve for x
    x = 11,118,543.68/3,187.40
  6. Step 6: Final answer
    x = 3,488.28

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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.