Home / 3,110.06-4,300.02-2,972.36

Finding the Fourth Proportional to 3,110.06, 4,300.02 and 2,972.36

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Solution

The fourth proportional to 3,110.06, 4,300.02 and 2,972.36 is: 4,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.06 : 4,300.02 = 2,972.36 : x
  2. Step 2: Convert to fraction form
    3,110.06/4,300.02 = 2,972.36/x
  3. Step 3: Cross multiply
    3,110.06x = 4,300.02 × 2,972.36
  4. Step 4: Simplify right side
    3,110.06x = 12,781,218.20
  5. Step 5: Solve for x
    x = 12,781,218.20/3,110.06
  6. Step 6: Final answer
    x = 4,109.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.