Home / 3,116.48-4,685.65-2,608.00

Finding the Fourth Proportional to 3,116.48, 4,685.65 and 2,608.00

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Solution

The fourth proportional to 3,116.48, 4,685.65 and 2,608.00 is: 3,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.48 : 4,685.65 = 2,608.00 : x
  2. Step 2: Convert to fraction form
    3,116.48/4,685.65 = 2,608.00/x
  3. Step 3: Cross multiply
    3,116.48x = 4,685.65 × 2,608.00
  4. Step 4: Simplify right side
    3,116.48x = 12,220,156.97
  5. Step 5: Solve for x
    x = 12,220,156.97/3,116.48
  6. Step 6: Final answer
    x = 3,921.15

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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.