Home / 3,545.39-5,316.05-1,352.72

Finding the Fourth Proportional to 3,545.39, 5,316.05 and 1,352.72

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Solution

The fourth proportional to 3,545.39, 5,316.05 and 1,352.72 is: 2,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.39 : 5,316.05 = 1,352.72 : x
  2. Step 2: Convert to fraction form
    3,545.39/5,316.05 = 1,352.72/x
  3. Step 3: Cross multiply
    3,545.39x = 5,316.05 × 1,352.72
  4. Step 4: Simplify right side
    3,545.39x = 7,191,093.81
  5. Step 5: Solve for x
    x = 7,191,093.81/3,545.39
  6. Step 6: Final answer
    x = 2,028.30

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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.