Home / 3,703.48-5,550.40-3,311.20

Finding the Fourth Proportional to 3,703.48, 5,550.40 and 3,311.20

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Solution

The fourth proportional to 3,703.48, 5,550.40 and 3,311.20 is: 4,962.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.48 : 5,550.40 = 3,311.20 : x
  2. Step 2: Convert to fraction form
    3,703.48/5,550.40 = 3,311.20/x
  3. Step 3: Cross multiply
    3,703.48x = 5,550.40 × 3,311.20
  4. Step 4: Simplify right side
    3,703.48x = 18,378,484.48
  5. Step 5: Solve for x
    x = 18,378,484.48/3,703.48
  6. Step 6: Final answer
    x = 4,962.49

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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.