Home / 1,432.46-2,146.44-910.82

Finding the Fourth Proportional to 1,432.46, 2,146.44 and 910.82

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Solution

The fourth proportional to 1,432.46, 2,146.44 and 910.82 is: 1,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.46 : 2,146.44 = 910.82 : x
  2. Step 2: Convert to fraction form
    1,432.46/2,146.44 = 910.82/x
  3. Step 3: Cross multiply
    1,432.46x = 2,146.44 × 910.82
  4. Step 4: Simplify right side
    1,432.46x = 1,955,020.48
  5. Step 5: Solve for x
    x = 1,955,020.48/1,432.46
  6. Step 6: Final answer
    x = 1,364.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.