Home / 3,667.78-5,500.59-1,792.51

Finding the Fourth Proportional to 3,667.78, 5,500.59 and 1,792.51

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Solution

The fourth proportional to 3,667.78, 5,500.59 and 1,792.51 is: 2,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.78 : 5,500.59 = 1,792.51 : x
  2. Step 2: Convert to fraction form
    3,667.78/5,500.59 = 1,792.51/x
  3. Step 3: Cross multiply
    3,667.78x = 5,500.59 × 1,792.51
  4. Step 4: Simplify right side
    3,667.78x = 9,859,862.58
  5. Step 5: Solve for x
    x = 9,859,862.58/3,667.78
  6. Step 6: Final answer
    x = 2,688.24

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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.