Home / 3,034.79-4,187.27-1,855.43

Finding the Fourth Proportional to 3,034.79, 4,187.27 and 1,855.43

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Solution

The fourth proportional to 3,034.79, 4,187.27 and 1,855.43 is: 2,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.79 : 4,187.27 = 1,855.43 : x
  2. Step 2: Convert to fraction form
    3,034.79/4,187.27 = 1,855.43/x
  3. Step 3: Cross multiply
    3,034.79x = 4,187.27 × 1,855.43
  4. Step 4: Simplify right side
    3,034.79x = 7,769,177.10
  5. Step 5: Solve for x
    x = 7,769,177.10/3,034.79
  6. Step 6: Final answer
    x = 2,560.04

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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.