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Finding the Fourth Proportional to 3,650.77, 5,474.64 and 1,569.68

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Solution

The fourth proportional to 3,650.77, 5,474.64 and 1,569.68 is: 2,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.77 : 5,474.64 = 1,569.68 : x
  2. Step 2: Convert to fraction form
    3,650.77/5,474.64 = 1,569.68/x
  3. Step 3: Cross multiply
    3,650.77x = 5,474.64 × 1,569.68
  4. Step 4: Simplify right side
    3,650.77x = 8,593,423.13
  5. Step 5: Solve for x
    x = 8,593,423.13/3,650.77
  6. Step 6: Final answer
    x = 2,353.87

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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.