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Finding the Fourth Proportional to 2,363, 3,545.10 and 824.12

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Solution

The fourth proportional to 2,363, 3,545.10 and 824.12 is: 1,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363 : 3,545.10 = 824.12 : x
  2. Step 2: Convert to fraction form
    2,363/3,545.10 = 824.12/x
  3. Step 3: Cross multiply
    2,363x = 3,545.10 × 824.12
  4. Step 4: Simplify right side
    2,363x = 2,921,587.81
  5. Step 5: Solve for x
    x = 2,921,587.81/2,363
  6. Step 6: Final answer
    x = 1,236.39

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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.