Home / 2,301.75-3,453.03-1,147.50

Finding the Fourth Proportional to 2,301.75, 3,453.03 and 1,147.50

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Solution

The fourth proportional to 2,301.75, 3,453.03 and 1,147.50 is: 1,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.75 : 3,453.03 = 1,147.50 : x
  2. Step 2: Convert to fraction form
    2,301.75/3,453.03 = 1,147.50/x
  3. Step 3: Cross multiply
    2,301.75x = 3,453.03 × 1,147.50
  4. Step 4: Simplify right side
    2,301.75x = 3,962,351.93
  5. Step 5: Solve for x
    x = 3,962,351.93/2,301.75
  6. Step 6: Final answer
    x = 1,721.45

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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.