Home / 3,545.15-5,316.71-1,694.43

Finding the Fourth Proportional to 3,545.15, 5,316.71 and 1,694.43

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Solution

The fourth proportional to 3,545.15, 5,316.71 and 1,694.43 is: 2,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.15 : 5,316.71 = 1,694.43 : x
  2. Step 2: Convert to fraction form
    3,545.15/5,316.71 = 1,694.43/x
  3. Step 3: Cross multiply
    3,545.15x = 5,316.71 × 1,694.43
  4. Step 4: Simplify right side
    3,545.15x = 9,008,784.45
  5. Step 5: Solve for x
    x = 9,008,784.45/3,545.15
  6. Step 6: Final answer
    x = 2,541.16

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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.