Home / 2,286.08-3,154.80-1,354.56

Finding the Fourth Proportional to 2,286.08, 3,154.80 and 1,354.56

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Solution

The fourth proportional to 2,286.08, 3,154.80 and 1,354.56 is: 1,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.08 : 3,154.80 = 1,354.56 : x
  2. Step 2: Convert to fraction form
    2,286.08/3,154.80 = 1,354.56/x
  3. Step 3: Cross multiply
    2,286.08x = 3,154.80 × 1,354.56
  4. Step 4: Simplify right side
    2,286.08x = 4,273,365.89
  5. Step 5: Solve for x
    x = 4,273,365.89/2,286.08
  6. Step 6: Final answer
    x = 1,869.30

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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.