Home / 2,043.21-2,819.47-1,159.16

Finding the Fourth Proportional to 2,043.21, 2,819.47 and 1,159.16

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Solution

The fourth proportional to 2,043.21, 2,819.47 and 1,159.16 is: 1,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.21 : 2,819.47 = 1,159.16 : x
  2. Step 2: Convert to fraction form
    2,043.21/2,819.47 = 1,159.16/x
  3. Step 3: Cross multiply
    2,043.21x = 2,819.47 × 1,159.16
  4. Step 4: Simplify right side
    2,043.21x = 3,268,211.05
  5. Step 5: Solve for x
    x = 3,268,211.05/2,043.21
  6. Step 6: Final answer
    x = 1,599.55

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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.