Home / 2,865.12-4,296.36-1,132.56

Finding the Fourth Proportional to 2,865.12, 4,296.36 and 1,132.56

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Solution

The fourth proportional to 2,865.12, 4,296.36 and 1,132.56 is: 1,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.12 : 4,296.36 = 1,132.56 : x
  2. Step 2: Convert to fraction form
    2,865.12/4,296.36 = 1,132.56/x
  3. Step 3: Cross multiply
    2,865.12x = 4,296.36 × 1,132.56
  4. Step 4: Simplify right side
    2,865.12x = 4,865,885.48
  5. Step 5: Solve for x
    x = 4,865,885.48/2,865.12
  6. Step 6: Final answer
    x = 1,698.32

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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.