Home / 2,591.16-3,885.88-1,358.32

Finding the Fourth Proportional to 2,591.16, 3,885.88 and 1,358.32

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Solution

The fourth proportional to 2,591.16, 3,885.88 and 1,358.32 is: 2,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.16 : 3,885.88 = 1,358.32 : x
  2. Step 2: Convert to fraction form
    2,591.16/3,885.88 = 1,358.32/x
  3. Step 3: Cross multiply
    2,591.16x = 3,885.88 × 1,358.32
  4. Step 4: Simplify right side
    2,591.16x = 5,278,268.52
  5. Step 5: Solve for x
    x = 5,278,268.52/2,591.16
  6. Step 6: Final answer
    x = 2,037.03

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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.