Home / 2,988.32-4,472.69-1,652.09

Finding the Fourth Proportional to 2,988.32, 4,472.69 and 1,652.09

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Solution

The fourth proportional to 2,988.32, 4,472.69 and 1,652.09 is: 2,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.32 : 4,472.69 = 1,652.09 : x
  2. Step 2: Convert to fraction form
    2,988.32/4,472.69 = 1,652.09/x
  3. Step 3: Cross multiply
    2,988.32x = 4,472.69 × 1,652.09
  4. Step 4: Simplify right side
    2,988.32x = 7,389,255.80
  5. Step 5: Solve for x
    x = 7,389,255.80/2,988.32
  6. Step 6: Final answer
    x = 2,472.72

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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.