Home / 2,988.28-4,509.97-2,910.52

Finding the Fourth Proportional to 2,988.28, 4,509.97 and 2,910.52

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Solution

The fourth proportional to 2,988.28, 4,509.97 and 2,910.52 is: 4,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.28 : 4,509.97 = 2,910.52 : x
  2. Step 2: Convert to fraction form
    2,988.28/4,509.97 = 2,910.52/x
  3. Step 3: Cross multiply
    2,988.28x = 4,509.97 × 2,910.52
  4. Step 4: Simplify right side
    2,988.28x = 13,126,357.88
  5. Step 5: Solve for x
    x = 13,126,357.88/2,988.28
  6. Step 6: Final answer
    x = 4,392.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.