Home / 3,600.48-5,400.60-3,518.40

Finding the Fourth Proportional to 3,600.48, 5,400.60 and 3,518.40

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Solution

The fourth proportional to 3,600.48, 5,400.60 and 3,518.40 is: 5,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.48 : 5,400.60 = 3,518.40 : x
  2. Step 2: Convert to fraction form
    3,600.48/5,400.60 = 3,518.40/x
  3. Step 3: Cross multiply
    3,600.48x = 5,400.60 × 3,518.40
  4. Step 4: Simplify right side
    3,600.48x = 19,001,471.04
  5. Step 5: Solve for x
    x = 19,001,471.04/3,600.48
  6. Step 6: Final answer
    x = 5,277.48

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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.