Home / 2,610.74-3,915.66-1,440.36

Finding the Fourth Proportional to 2,610.74, 3,915.66 and 1,440.36

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Solution

The fourth proportional to 2,610.74, 3,915.66 and 1,440.36 is: 2,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.74 : 3,915.66 = 1,440.36 : x
  2. Step 2: Convert to fraction form
    2,610.74/3,915.66 = 1,440.36/x
  3. Step 3: Cross multiply
    2,610.74x = 3,915.66 × 1,440.36
  4. Step 4: Simplify right side
    2,610.74x = 5,639,960.04
  5. Step 5: Solve for x
    x = 5,639,960.04/2,610.74
  6. Step 6: Final answer
    x = 2,160.29

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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.