Home / 3,085.02-4,261.41-2,691.36

Finding the Fourth Proportional to 3,085.02, 4,261.41 and 2,691.36

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Solution

The fourth proportional to 3,085.02, 4,261.41 and 2,691.36 is: 3,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.02 : 4,261.41 = 2,691.36 : x
  2. Step 2: Convert to fraction form
    3,085.02/4,261.41 = 2,691.36/x
  3. Step 3: Cross multiply
    3,085.02x = 4,261.41 × 2,691.36
  4. Step 4: Simplify right side
    3,085.02x = 11,468,988.42
  5. Step 5: Solve for x
    x = 11,468,988.42/3,085.02
  6. Step 6: Final answer
    x = 3,717.64

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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.