Home / 2,125.70-2,926.18-1,844.28

Finding the Fourth Proportional to 2,125.70, 2,926.18 and 1,844.28

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Solution

The fourth proportional to 2,125.70, 2,926.18 and 1,844.28 is: 2,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.70 : 2,926.18 = 1,844.28 : x
  2. Step 2: Convert to fraction form
    2,125.70/2,926.18 = 1,844.28/x
  3. Step 3: Cross multiply
    2,125.70x = 2,926.18 × 1,844.28
  4. Step 4: Simplify right side
    2,125.70x = 5,396,695.25
  5. Step 5: Solve for x
    x = 5,396,695.25/2,125.70
  6. Step 6: Final answer
    x = 2,538.78

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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.