Home / 2,026.46-3,040.60-915.95

Finding the Fourth Proportional to 2,026.46, 3,040.60 and 915.95

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Solution

The fourth proportional to 2,026.46, 3,040.60 and 915.95 is: 1,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.46 : 3,040.60 = 915.95 : x
  2. Step 2: Convert to fraction form
    2,026.46/3,040.60 = 915.95/x
  3. Step 3: Cross multiply
    2,026.46x = 3,040.60 × 915.95
  4. Step 4: Simplify right side
    2,026.46x = 2,785,037.57
  5. Step 5: Solve for x
    x = 2,785,037.57/2,026.46
  6. Step 6: Final answer
    x = 1,374.34

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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.