Home / 3,513.57-5,269.20-1,291.89

Finding the Fourth Proportional to 3,513.57, 5,269.20 and 1,291.89

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Solution

The fourth proportional to 3,513.57, 5,269.20 and 1,291.89 is: 1,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.57 : 5,269.20 = 1,291.89 : x
  2. Step 2: Convert to fraction form
    3,513.57/5,269.20 = 1,291.89/x
  3. Step 3: Cross multiply
    3,513.57x = 5,269.20 × 1,291.89
  4. Step 4: Simplify right side
    3,513.57x = 6,807,226.79
  5. Step 5: Solve for x
    x = 6,807,226.79/3,513.57
  6. Step 6: Final answer
    x = 1,937.41

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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.