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Finding the Fourth Proportional to 3,694.07, 5,547.71 and 3,545.42

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Solution

The fourth proportional to 3,694.07, 5,547.71 and 3,545.42 is: 5,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.07 : 5,547.71 = 3,545.42 : x
  2. Step 2: Convert to fraction form
    3,694.07/5,547.71 = 3,545.42/x
  3. Step 3: Cross multiply
    3,694.07x = 5,547.71 × 3,545.42
  4. Step 4: Simplify right side
    3,694.07x = 19,668,961.99
  5. Step 5: Solve for x
    x = 19,668,961.99/3,694.07
  6. Step 6: Final answer
    x = 5,324.47

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1.5x scale

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.