Home / 3,477.34-5,217.15-1,286.24

Finding the Fourth Proportional to 3,477.34, 5,217.15 and 1,286.24

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Solution

The fourth proportional to 3,477.34, 5,217.15 and 1,286.24 is: 1,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.34 : 5,217.15 = 1,286.24 : x
  2. Step 2: Convert to fraction form
    3,477.34/5,217.15 = 1,286.24/x
  3. Step 3: Cross multiply
    3,477.34x = 5,217.15 × 1,286.24
  4. Step 4: Simplify right side
    3,477.34x = 6,710,507.02
  5. Step 5: Solve for x
    x = 6,710,507.02/3,477.34
  6. Step 6: Final answer
    x = 1,929.78

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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.