Home / 2,071.32-3,107.07-610.49

Finding the Fourth Proportional to 2,071.32, 3,107.07 and 610.49

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Solution

The fourth proportional to 2,071.32, 3,107.07 and 610.49 is: 915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.32 : 3,107.07 = 610.49 : x
  2. Step 2: Convert to fraction form
    2,071.32/3,107.07 = 610.49/x
  3. Step 3: Cross multiply
    2,071.32x = 3,107.07 × 610.49
  4. Step 4: Simplify right side
    2,071.32x = 1,896,819.63
  5. Step 5: Solve for x
    x = 1,896,819.63/2,071.32
  6. Step 6: Final answer
    x = 915.75

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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.