Home / 2,400.60-3,602.43-2,220.24

Finding the Fourth Proportional to 2,400.60, 3,602.43 and 2,220.24

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Solution

The fourth proportional to 2,400.60, 3,602.43 and 2,220.24 is: 3,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.60 : 3,602.43 = 2,220.24 : x
  2. Step 2: Convert to fraction form
    2,400.60/3,602.43 = 2,220.24/x
  3. Step 3: Cross multiply
    2,400.60x = 3,602.43 × 2,220.24
  4. Step 4: Simplify right side
    2,400.60x = 7,998,259.18
  5. Step 5: Solve for x
    x = 7,998,259.18/2,400.60
  6. Step 6: Final answer
    x = 3,331.78

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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.