Home / 2,319.33-3,479.85-1,087.14

Finding the Fourth Proportional to 2,319.33, 3,479.85 and 1,087.14

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Solution

The fourth proportional to 2,319.33, 3,479.85 and 1,087.14 is: 1,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.33 : 3,479.85 = 1,087.14 : x
  2. Step 2: Convert to fraction form
    2,319.33/3,479.85 = 1,087.14/x
  3. Step 3: Cross multiply
    2,319.33x = 3,479.85 × 1,087.14
  4. Step 4: Simplify right side
    2,319.33x = 3,783,084.13
  5. Step 5: Solve for x
    x = 3,783,084.13/2,319.33
  6. Step 6: Final answer
    x = 1,631.11

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1.5x scale

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.