Home / 3,545.36-5,317.68-948.56

Finding the Fourth Proportional to 3,545.36, 5,317.68 and 948.56

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Solution

The fourth proportional to 3,545.36, 5,317.68 and 948.56 is: 1,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.36 : 5,317.68 = 948.56 : x
  2. Step 2: Convert to fraction form
    3,545.36/5,317.68 = 948.56/x
  3. Step 3: Cross multiply
    3,545.36x = 5,317.68 × 948.56
  4. Step 4: Simplify right side
    3,545.36x = 5,044,138.54
  5. Step 5: Solve for x
    x = 5,044,138.54/3,545.36
  6. Step 6: Final answer
    x = 1,422.74

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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.