Home / 2,440.04-3,660.02-979.60

Finding the Fourth Proportional to 2,440.04, 3,660.02 and 979.60

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Solution

The fourth proportional to 2,440.04, 3,660.02 and 979.60 is: 1,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.04 : 3,660.02 = 979.60 : x
  2. Step 2: Convert to fraction form
    2,440.04/3,660.02 = 979.60/x
  3. Step 3: Cross multiply
    2,440.04x = 3,660.02 × 979.60
  4. Step 4: Simplify right side
    2,440.04x = 3,585,355.59
  5. Step 5: Solve for x
    x = 3,585,355.59/2,440.04
  6. Step 6: Final answer
    x = 1,469.38

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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.