Home / 3,180.02-4,394.13-2,486.66

Finding the Fourth Proportional to 3,180.02, 4,394.13 and 2,486.66

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Solution

The fourth proportional to 3,180.02, 4,394.13 and 2,486.66 is: 3,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.02 : 4,394.13 = 2,486.66 : x
  2. Step 2: Convert to fraction form
    3,180.02/4,394.13 = 2,486.66/x
  3. Step 3: Cross multiply
    3,180.02x = 4,394.13 × 2,486.66
  4. Step 4: Simplify right side
    3,180.02x = 10,926,707.31
  5. Step 5: Solve for x
    x = 10,926,707.31/3,180.02
  6. Step 6: Final answer
    x = 3,436.05

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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.