Home / 3,463.02-4,778.97-1,891.20

Finding the Fourth Proportional to 3,463.02, 4,778.97 and 1,891.20

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Solution

The fourth proportional to 3,463.02, 4,778.97 and 1,891.20 is: 2,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.02 : 4,778.97 = 1,891.20 : x
  2. Step 2: Convert to fraction form
    3,463.02/4,778.97 = 1,891.20/x
  3. Step 3: Cross multiply
    3,463.02x = 4,778.97 × 1,891.20
  4. Step 4: Simplify right side
    3,463.02x = 9,037,988.06
  5. Step 5: Solve for x
    x = 9,037,988.06/3,463.02
  6. Step 6: Final answer
    x = 2,609.86

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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.