Home / 2,081.18-2,872.03-1,335.44

Finding the Fourth Proportional to 2,081.18, 2,872.03 and 1,335.44

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Solution

The fourth proportional to 2,081.18, 2,872.03 and 1,335.44 is: 1,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.18 : 2,872.03 = 1,335.44 : x
  2. Step 2: Convert to fraction form
    2,081.18/2,872.03 = 1,335.44/x
  3. Step 3: Cross multiply
    2,081.18x = 2,872.03 × 1,335.44
  4. Step 4: Simplify right side
    2,081.18x = 3,835,417.69
  5. Step 5: Solve for x
    x = 3,835,417.69/2,081.18
  6. Step 6: Final answer
    x = 1,842.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.