Home / 2,321.91-3,482.33-1,385.12

Finding the Fourth Proportional to 2,321.91, 3,482.33 and 1,385.12

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Solution

The fourth proportional to 2,321.91, 3,482.33 and 1,385.12 is: 2,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.91 : 3,482.33 = 1,385.12 : x
  2. Step 2: Convert to fraction form
    2,321.91/3,482.33 = 1,385.12/x
  3. Step 3: Cross multiply
    2,321.91x = 3,482.33 × 1,385.12
  4. Step 4: Simplify right side
    2,321.91x = 4,823,451.90
  5. Step 5: Solve for x
    x = 4,823,451.90/2,321.91
  6. Step 6: Final answer
    x = 2,077.36

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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.