Home / 2,071.28-3,106.60-610.16

Finding the Fourth Proportional to 2,071.28, 3,106.60 and 610.16

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Solution

The fourth proportional to 2,071.28, 3,106.60 and 610.16 is: 915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.28 : 3,106.60 = 610.16 : x
  2. Step 2: Convert to fraction form
    2,071.28/3,106.60 = 610.16/x
  3. Step 3: Cross multiply
    2,071.28x = 3,106.60 × 610.16
  4. Step 4: Simplify right side
    2,071.28x = 1,895,523.06
  5. Step 5: Solve for x
    x = 1,895,523.06/2,071.28
  6. Step 6: Final answer
    x = 915.15

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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.