Home / 2,988.37-4,475.25-2,580.13

Finding the Fourth Proportional to 2,988.37, 4,475.25 and 2,580.13

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Solution

The fourth proportional to 2,988.37, 4,475.25 and 2,580.13 is: 3,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.37 : 4,475.25 = 2,580.13 : x
  2. Step 2: Convert to fraction form
    2,988.37/4,475.25 = 2,580.13/x
  3. Step 3: Cross multiply
    2,988.37x = 4,475.25 × 2,580.13
  4. Step 4: Simplify right side
    2,988.37x = 11,546,726.78
  5. Step 5: Solve for x
    x = 11,546,726.78/2,988.37
  6. Step 6: Final answer
    x = 3,863.89

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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.