Home / 2,964.60-4,445.28-1,319.22

Finding the Fourth Proportional to 2,964.60, 4,445.28 and 1,319.22

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Solution

The fourth proportional to 2,964.60, 4,445.28 and 1,319.22 is: 1,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.60 : 4,445.28 = 1,319.22 : x
  2. Step 2: Convert to fraction form
    2,964.60/4,445.28 = 1,319.22/x
  3. Step 3: Cross multiply
    2,964.60x = 4,445.28 × 1,319.22
  4. Step 4: Simplify right side
    2,964.60x = 5,864,302.28
  5. Step 5: Solve for x
    x = 5,864,302.28/2,964.60
  6. Step 6: Final answer
    x = 1,978.11

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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.