Home / 2,963.39-4,445.58-1,319.90

Finding the Fourth Proportional to 2,963.39, 4,445.58 and 1,319.90

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Solution

The fourth proportional to 2,963.39, 4,445.58 and 1,319.90 is: 1,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.39 : 4,445.58 = 1,319.90 : x
  2. Step 2: Convert to fraction form
    2,963.39/4,445.58 = 1,319.90/x
  3. Step 3: Cross multiply
    2,963.39x = 4,445.58 × 1,319.90
  4. Step 4: Simplify right side
    2,963.39x = 5,867,703.76
  5. Step 5: Solve for x
    x = 5,867,703.76/2,963.39
  6. Step 6: Final answer
    x = 1,980.07

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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.