Home / 3,545.37-5,318.60-948.51

Finding the Fourth Proportional to 3,545.37, 5,318.60 and 948.51

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Solution

The fourth proportional to 3,545.37, 5,318.60 and 948.51 is: 1,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.37 : 5,318.60 = 948.51 : x
  2. Step 2: Convert to fraction form
    3,545.37/5,318.60 = 948.51/x
  3. Step 3: Cross multiply
    3,545.37x = 5,318.60 × 948.51
  4. Step 4: Simplify right side
    3,545.37x = 5,044,740.54
  5. Step 5: Solve for x
    x = 5,044,740.54/3,545.37
  6. Step 6: Final answer
    x = 1,422.91

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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.