Home / 1,924.38-2,655.50-1,138.14

Finding the Fourth Proportional to 1,924.38, 2,655.50 and 1,138.14

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Solution

The fourth proportional to 1,924.38, 2,655.50 and 1,138.14 is: 1,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.38 : 2,655.50 = 1,138.14 : x
  2. Step 2: Convert to fraction form
    1,924.38/2,655.50 = 1,138.14/x
  3. Step 3: Cross multiply
    1,924.38x = 2,655.50 × 1,138.14
  4. Step 4: Simplify right side
    1,924.38x = 3,022,330.77
  5. Step 5: Solve for x
    x = 3,022,330.77/1,924.38
  6. Step 6: Final answer
    x = 1,570.55

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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.