Home / 1,927.32-2,659.68-1,141.38

Finding the Fourth Proportional to 1,927.32, 2,659.68 and 1,141.38

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Solution

The fourth proportional to 1,927.32, 2,659.68 and 1,141.38 is: 1,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.32 : 2,659.68 = 1,141.38 : x
  2. Step 2: Convert to fraction form
    1,927.32/2,659.68 = 1,141.38/x
  3. Step 3: Cross multiply
    1,927.32x = 2,659.68 × 1,141.38
  4. Step 4: Simplify right side
    1,927.32x = 3,035,705.56
  5. Step 5: Solve for x
    x = 3,035,705.56/1,927.32
  6. Step 6: Final answer
    x = 1,575.09

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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.