Home / 1,452.26-2,004.10-789.10

Finding the Fourth Proportional to 1,452.26, 2,004.10 and 789.10

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Solution

The fourth proportional to 1,452.26, 2,004.10 and 789.10 is: 1,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.26 : 2,004.10 = 789.10 : x
  2. Step 2: Convert to fraction form
    1,452.26/2,004.10 = 789.10/x
  3. Step 3: Cross multiply
    1,452.26x = 2,004.10 × 789.10
  4. Step 4: Simplify right side
    1,452.26x = 1,581,435.31
  5. Step 5: Solve for x
    x = 1,581,435.31/1,452.26
  6. Step 6: Final answer
    x = 1,088.95

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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.