Home / 2,671.73-4,008.06-1,287.56

Finding the Fourth Proportional to 2,671.73, 4,008.06 and 1,287.56

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Solution

The fourth proportional to 2,671.73, 4,008.06 and 1,287.56 is: 1,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.73 : 4,008.06 = 1,287.56 : x
  2. Step 2: Convert to fraction form
    2,671.73/4,008.06 = 1,287.56/x
  3. Step 3: Cross multiply
    2,671.73x = 4,008.06 × 1,287.56
  4. Step 4: Simplify right side
    2,671.73x = 5,160,617.73
  5. Step 5: Solve for x
    x = 5,160,617.73/2,671.73
  6. Step 6: Final answer
    x = 1,931.56

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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.