Home / 3,543.29-5,315.88-3,155.94

Finding the Fourth Proportional to 3,543.29, 5,315.88 and 3,155.94

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Solution

The fourth proportional to 3,543.29, 5,315.88 and 3,155.94 is: 4,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.29 : 5,315.88 = 3,155.94 : x
  2. Step 2: Convert to fraction form
    3,543.29/5,315.88 = 3,155.94/x
  3. Step 3: Cross multiply
    3,543.29x = 5,315.88 × 3,155.94
  4. Step 4: Simplify right side
    3,543.29x = 16,776,598.33
  5. Step 5: Solve for x
    x = 16,776,598.33/3,543.29
  6. Step 6: Final answer
    x = 4,734.76

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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.