Home / 3,034.28-4,187.22-1,855.16

Finding the Fourth Proportional to 3,034.28, 4,187.22 and 1,855.16

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Solution

The fourth proportional to 3,034.28, 4,187.22 and 1,855.16 is: 2,560.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.28 : 4,187.22 = 1,855.16 : x
  2. Step 2: Convert to fraction form
    3,034.28/4,187.22 = 1,855.16/x
  3. Step 3: Cross multiply
    3,034.28x = 4,187.22 × 1,855.16
  4. Step 4: Simplify right side
    3,034.28x = 7,767,963.06
  5. Step 5: Solve for x
    x = 7,767,963.06/3,034.28
  6. Step 6: Final answer
    x = 2,560.07

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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.