Home / 3,270.84-4,510.17-2,959.80

Finding the Fourth Proportional to 3,270.84, 4,510.17 and 2,959.80

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Solution

The fourth proportional to 3,270.84, 4,510.17 and 2,959.80 is: 4,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.84 : 4,510.17 = 2,959.80 : x
  2. Step 2: Convert to fraction form
    3,270.84/4,510.17 = 2,959.80/x
  3. Step 3: Cross multiply
    3,270.84x = 4,510.17 × 2,959.80
  4. Step 4: Simplify right side
    3,270.84x = 13,349,201.17
  5. Step 5: Solve for x
    x = 13,349,201.17/3,270.84
  6. Step 6: Final answer
    x = 4,081.28

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1.5x scale

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.