Home / 2,687.41-4,030.07-1,043.74

Finding the Fourth Proportional to 2,687.41, 4,030.07 and 1,043.74

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Solution

The fourth proportional to 2,687.41, 4,030.07 and 1,043.74 is: 1,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.41 : 4,030.07 = 1,043.74 : x
  2. Step 2: Convert to fraction form
    2,687.41/4,030.07 = 1,043.74/x
  3. Step 3: Cross multiply
    2,687.41x = 4,030.07 × 1,043.74
  4. Step 4: Simplify right side
    2,687.41x = 4,206,334.72
  5. Step 5: Solve for x
    x = 4,206,334.72/2,687.41
  6. Step 6: Final answer
    x = 1,565.20

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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.