Home / 3,744.56-5,616.63-1,147.49

Finding the Fourth Proportional to 3,744.56, 5,616.63 and 1,147.49

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Solution

The fourth proportional to 3,744.56, 5,616.63 and 1,147.49 is: 1,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.56 : 5,616.63 = 1,147.49 : x
  2. Step 2: Convert to fraction form
    3,744.56/5,616.63 = 1,147.49/x
  3. Step 3: Cross multiply
    3,744.56x = 5,616.63 × 1,147.49
  4. Step 4: Simplify right side
    3,744.56x = 6,445,026.76
  5. Step 5: Solve for x
    x = 6,445,026.76/3,744.56
  6. Step 6: Final answer
    x = 1,721.17

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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.