Home / 2,043.11-2,819.40-1,158.89

Finding the Fourth Proportional to 2,043.11, 2,819.40 and 1,158.89

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Solution

The fourth proportional to 2,043.11, 2,819.40 and 1,158.89 is: 1,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.11 : 2,819.40 = 1,158.89 : x
  2. Step 2: Convert to fraction form
    2,043.11/2,819.40 = 1,158.89/x
  3. Step 3: Cross multiply
    2,043.11x = 2,819.40 × 1,158.89
  4. Step 4: Simplify right side
    2,043.11x = 3,267,370.94
  5. Step 5: Solve for x
    x = 3,267,370.94/2,043.11
  6. Step 6: Final answer
    x = 1,599.22

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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.