Home / 3,558.60-5,337.90-2,392.20

Finding the Fourth Proportional to 3,558.60, 5,337.90 and 2,392.20

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Solution

The fourth proportional to 3,558.60, 5,337.90 and 2,392.20 is: 3,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.60 : 5,337.90 = 2,392.20 : x
  2. Step 2: Convert to fraction form
    3,558.60/5,337.90 = 2,392.20/x
  3. Step 3: Cross multiply
    3,558.60x = 5,337.90 × 2,392.20
  4. Step 4: Simplify right side
    3,558.60x = 12,769,324.38
  5. Step 5: Solve for x
    x = 12,769,324.38/3,558.60
  6. Step 6: Final answer
    x = 3,588.30

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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.