Home / 3,480.80-4,801.56-2,064.08

Finding the Fourth Proportional to 3,480.80, 4,801.56 and 2,064.08

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Solution

The fourth proportional to 3,480.80, 4,801.56 and 2,064.08 is: 2,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.80 : 4,801.56 = 2,064.08 : x
  2. Step 2: Convert to fraction form
    3,480.80/4,801.56 = 2,064.08/x
  3. Step 3: Cross multiply
    3,480.80x = 4,801.56 × 2,064.08
  4. Step 4: Simplify right side
    3,480.80x = 9,910,803.96
  5. Step 5: Solve for x
    x = 9,910,803.96/3,480.80
  6. Step 6: Final answer
    x = 2,847.28

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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.