Home / 3,055.38-4,555.28-2,869.48

Finding the Fourth Proportional to 3,055.38, 4,555.28 and 2,869.48

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Solution

The fourth proportional to 3,055.38, 4,555.28 and 2,869.48 is: 4,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.38 : 4,555.28 = 2,869.48 : x
  2. Step 2: Convert to fraction form
    3,055.38/4,555.28 = 2,869.48/x
  3. Step 3: Cross multiply
    3,055.38x = 4,555.28 × 2,869.48
  4. Step 4: Simplify right side
    3,055.38x = 13,071,284.85
  5. Step 5: Solve for x
    x = 13,071,284.85/3,055.38
  6. Step 6: Final answer
    x = 4,278.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.