Home / 3,005.19-4,507.78-1,543.41

Finding the Fourth Proportional to 3,005.19, 4,507.78 and 1,543.41

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Solution

The fourth proportional to 3,005.19, 4,507.78 and 1,543.41 is: 2,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.19 : 4,507.78 = 1,543.41 : x
  2. Step 2: Convert to fraction form
    3,005.19/4,507.78 = 1,543.41/x
  3. Step 3: Cross multiply
    3,005.19x = 4,507.78 × 1,543.41
  4. Step 4: Simplify right side
    3,005.19x = 6,957,352.73
  5. Step 5: Solve for x
    x = 6,957,352.73/3,005.19
  6. Step 6: Final answer
    x = 2,315.11

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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.