Home / 3,144.60-4,337.37-1,818.09

Finding the Fourth Proportional to 3,144.60, 4,337.37 and 1,818.09

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Solution

The fourth proportional to 3,144.60, 4,337.37 and 1,818.09 is: 2,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.60 : 4,337.37 = 1,818.09 : x
  2. Step 2: Convert to fraction form
    3,144.60/4,337.37 = 1,818.09/x
  3. Step 3: Cross multiply
    3,144.60x = 4,337.37 × 1,818.09
  4. Step 4: Simplify right side
    3,144.60x = 7,885,729.02
  5. Step 5: Solve for x
    x = 7,885,729.02/3,144.60
  6. Step 6: Final answer
    x = 2,507.70

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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.