Home / 3,519.02-5,278.42-1,671.46

Finding the Fourth Proportional to 3,519.02, 5,278.42 and 1,671.46

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Solution

The fourth proportional to 3,519.02, 5,278.42 and 1,671.46 is: 2,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.02 : 5,278.42 = 1,671.46 : x
  2. Step 2: Convert to fraction form
    3,519.02/5,278.42 = 1,671.46/x
  3. Step 3: Cross multiply
    3,519.02x = 5,278.42 × 1,671.46
  4. Step 4: Simplify right side
    3,519.02x = 8,822,662.23
  5. Step 5: Solve for x
    x = 8,822,662.23/3,519.02
  6. Step 6: Final answer
    x = 2,507.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.