Home / 3,792.89-5,680.48-3,661.51

Finding the Fourth Proportional to 3,792.89, 5,680.48 and 3,661.51

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Solution

The fourth proportional to 3,792.89, 5,680.48 and 3,661.51 is: 5,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.89 : 5,680.48 = 3,661.51 : x
  2. Step 2: Convert to fraction form
    3,792.89/5,680.48 = 3,661.51/x
  3. Step 3: Cross multiply
    3,792.89x = 5,680.48 × 3,661.51
  4. Step 4: Simplify right side
    3,792.89x = 20,799,134.32
  5. Step 5: Solve for x
    x = 20,799,134.32/3,792.89
  6. Step 6: Final answer
    x = 5,483.72

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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.