Home / 1,829.90-2,744.99-660.60

Finding the Fourth Proportional to 1,829.90, 2,744.99 and 660.60

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Solution

The fourth proportional to 1,829.90, 2,744.99 and 660.60 is: 990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.90 : 2,744.99 = 660.60 : x
  2. Step 2: Convert to fraction form
    1,829.90/2,744.99 = 660.60/x
  3. Step 3: Cross multiply
    1,829.90x = 2,744.99 × 660.60
  4. Step 4: Simplify right side
    1,829.90x = 1,813,339.57
  5. Step 5: Solve for x
    x = 1,813,339.57/1,829.90
  6. Step 6: Final answer
    x = 990.95

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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.