Home / 3,801.60-5,247.36-2,404.80

Finding the Fourth Proportional to 3,801.60, 5,247.36 and 2,404.80

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Solution

The fourth proportional to 3,801.60, 5,247.36 and 2,404.80 is: 3,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.60 : 5,247.36 = 2,404.80 : x
  2. Step 2: Convert to fraction form
    3,801.60/5,247.36 = 2,404.80/x
  3. Step 3: Cross multiply
    3,801.60x = 5,247.36 × 2,404.80
  4. Step 4: Simplify right side
    3,801.60x = 12,618,851.33
  5. Step 5: Solve for x
    x = 12,618,851.33/3,801.60
  6. Step 6: Final answer
    x = 3,319.35

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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.