Home / 2,584.40-3,591.12-2,557.60

Finding the Fourth Proportional to 2,584.40, 3,591.12 and 2,557.60

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Solution

The fourth proportional to 2,584.40, 3,591.12 and 2,557.60 is: 3,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.40 : 3,591.12 = 2,557.60 : x
  2. Step 2: Convert to fraction form
    2,584.40/3,591.12 = 2,557.60/x
  3. Step 3: Cross multiply
    2,584.40x = 3,591.12 × 2,557.60
  4. Step 4: Simplify right side
    2,584.40x = 9,184,648.51
  5. Step 5: Solve for x
    x = 9,184,648.51/2,584.40
  6. Step 6: Final answer
    x = 3,553.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.