Home / 2,043.40-2,819.94-1,159.21

Finding the Fourth Proportional to 2,043.40, 2,819.94 and 1,159.21

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Solution

The fourth proportional to 2,043.40, 2,819.94 and 1,159.21 is: 1,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.40 : 2,819.94 = 1,159.21 : x
  2. Step 2: Convert to fraction form
    2,043.40/2,819.94 = 1,159.21/x
  3. Step 3: Cross multiply
    2,043.40x = 2,819.94 × 1,159.21
  4. Step 4: Simplify right side
    2,043.40x = 3,268,902.65
  5. Step 5: Solve for x
    x = 3,268,902.65/2,043.40
  6. Step 6: Final answer
    x = 1,599.74

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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.