Home / 3,812.02-5,260.51-2,218.95

Finding the Fourth Proportional to 3,812.02, 5,260.51 and 2,218.95

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Solution

The fourth proportional to 3,812.02, 5,260.51 and 2,218.95 is: 3,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.02 : 5,260.51 = 2,218.95 : x
  2. Step 2: Convert to fraction form
    3,812.02/5,260.51 = 2,218.95/x
  3. Step 3: Cross multiply
    3,812.02x = 5,260.51 × 2,218.95
  4. Step 4: Simplify right side
    3,812.02x = 11,672,811.44
  5. Step 5: Solve for x
    x = 11,672,811.44/3,812.02
  6. Step 6: Final answer
    x = 3,062.11

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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.