Home / 3,439.48-4,748.62-2,320.60

Finding the Fourth Proportional to 3,439.48, 4,748.62 and 2,320.60

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Solution

The fourth proportional to 3,439.48, 4,748.62 and 2,320.60 is: 3,203.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.48 : 4,748.62 = 2,320.60 : x
  2. Step 2: Convert to fraction form
    3,439.48/4,748.62 = 2,320.60/x
  3. Step 3: Cross multiply
    3,439.48x = 4,748.62 × 2,320.60
  4. Step 4: Simplify right side
    3,439.48x = 11,019,647.57
  5. Step 5: Solve for x
    x = 11,019,647.57/3,439.48
  6. Step 6: Final answer
    x = 3,203.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.