Home / 3,575.70-4,932.18-2,579.40

Finding the Fourth Proportional to 3,575.70, 4,932.18 and 2,579.40

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Solution

The fourth proportional to 3,575.70, 4,932.18 and 2,579.40 is: 3,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.70 : 4,932.18 = 2,579.40 : x
  2. Step 2: Convert to fraction form
    3,575.70/4,932.18 = 2,579.40/x
  3. Step 3: Cross multiply
    3,575.70x = 4,932.18 × 2,579.40
  4. Step 4: Simplify right side
    3,575.70x = 12,722,065.09
  5. Step 5: Solve for x
    x = 12,722,065.09/3,575.70
  6. Step 6: Final answer
    x = 3,557.92

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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.