Home / 2,987.28-4,481.46-1,526.04

Finding the Fourth Proportional to 2,987.28, 4,481.46 and 1,526.04

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Solution

The fourth proportional to 2,987.28, 4,481.46 and 1,526.04 is: 2,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987.28 : 4,481.46 = 1,526.04 : x
  2. Step 2: Convert to fraction form
    2,987.28/4,481.46 = 1,526.04/x
  3. Step 3: Cross multiply
    2,987.28x = 4,481.46 × 1,526.04
  4. Step 4: Simplify right side
    2,987.28x = 6,838,887.22
  5. Step 5: Solve for x
    x = 6,838,887.22/2,987.28
  6. Step 6: Final answer
    x = 2,289.34

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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.