Home / 3,119.16-4,655.88-2,750.08

Finding the Fourth Proportional to 3,119.16, 4,655.88 and 2,750.08

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Solution

The fourth proportional to 3,119.16, 4,655.88 and 2,750.08 is: 4,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.16 : 4,655.88 = 2,750.08 : x
  2. Step 2: Convert to fraction form
    3,119.16/4,655.88 = 2,750.08/x
  3. Step 3: Cross multiply
    3,119.16x = 4,655.88 × 2,750.08
  4. Step 4: Simplify right side
    3,119.16x = 12,804,042.47
  5. Step 5: Solve for x
    x = 12,804,042.47/3,119.16
  6. Step 6: Final answer
    x = 4,104.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.