Home / 3,144.04-4,338.60-1,818.16

Finding the Fourth Proportional to 3,144.04, 4,338.60 and 1,818.16

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Solution

The fourth proportional to 3,144.04, 4,338.60 and 1,818.16 is: 2,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.04 : 4,338.60 = 1,818.16 : x
  2. Step 2: Convert to fraction form
    3,144.04/4,338.60 = 1,818.16/x
  3. Step 3: Cross multiply
    3,144.04x = 4,338.60 × 1,818.16
  4. Step 4: Simplify right side
    3,144.04x = 7,888,268.98
  5. Step 5: Solve for x
    x = 7,888,268.98/3,144.04
  6. Step 6: Final answer
    x = 2,508.96

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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.