Home / 1,344.24-1,856.28-1,012.09

Finding the Fourth Proportional to 1,344.24, 1,856.28 and 1,012.09

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Solution

The fourth proportional to 1,344.24, 1,856.28 and 1,012.09 is: 1,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.24 : 1,856.28 = 1,012.09 : x
  2. Step 2: Convert to fraction form
    1,344.24/1,856.28 = 1,012.09/x
  3. Step 3: Cross multiply
    1,344.24x = 1,856.28 × 1,012.09
  4. Step 4: Simplify right side
    1,344.24x = 1,878,722.85
  5. Step 5: Solve for x
    x = 1,878,722.85/1,344.24
  6. Step 6: Final answer
    x = 1,397.61

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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.