Home / 2,319.39-3,479.13-675.95

Finding the Fourth Proportional to 2,319.39, 3,479.13 and 675.95

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Solution

The fourth proportional to 2,319.39, 3,479.13 and 675.95 is: 1,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.39 : 3,479.13 = 675.95 : x
  2. Step 2: Convert to fraction form
    2,319.39/3,479.13 = 675.95/x
  3. Step 3: Cross multiply
    2,319.39x = 3,479.13 × 675.95
  4. Step 4: Simplify right side
    2,319.39x = 2,351,700.53
  5. Step 5: Solve for x
    x = 2,351,700.53/2,319.39
  6. Step 6: Final answer
    x = 1,013.93

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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.