Home / 2,962.56-4,445.60-1,319.20

Finding the Fourth Proportional to 2,962.56, 4,445.60 and 1,319.20

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Solution

The fourth proportional to 2,962.56, 4,445.60 and 1,319.20 is: 1,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.56 : 4,445.60 = 1,319.20 : x
  2. Step 2: Convert to fraction form
    2,962.56/4,445.60 = 1,319.20/x
  3. Step 3: Cross multiply
    2,962.56x = 4,445.60 × 1,319.20
  4. Step 4: Simplify right side
    2,962.56x = 5,864,635.52
  5. Step 5: Solve for x
    x = 5,864,635.52/2,962.56
  6. Step 6: Final answer
    x = 1,979.58

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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.