Home / 3,550.13-5,325.20-2,785.49

Finding the Fourth Proportional to 3,550.13, 5,325.20 and 2,785.49

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Solution

The fourth proportional to 3,550.13, 5,325.20 and 2,785.49 is: 4,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.13 : 5,325.20 = 2,785.49 : x
  2. Step 2: Convert to fraction form
    3,550.13/5,325.20 = 2,785.49/x
  3. Step 3: Cross multiply
    3,550.13x = 5,325.20 × 2,785.49
  4. Step 4: Simplify right side
    3,550.13x = 14,833,277.42
  5. Step 5: Solve for x
    x = 14,833,277.42/3,550.13
  6. Step 6: Final answer
    x = 4,178.24

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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.