Home / 3,545.51-5,318.12-948.38

Finding the Fourth Proportional to 3,545.51, 5,318.12 and 948.38

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Solution

The fourth proportional to 3,545.51, 5,318.12 and 948.38 is: 1,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.51 : 5,318.12 = 948.38 : x
  2. Step 2: Convert to fraction form
    3,545.51/5,318.12 = 948.38/x
  3. Step 3: Cross multiply
    3,545.51x = 5,318.12 × 948.38
  4. Step 4: Simplify right side
    3,545.51x = 5,043,574.43
  5. Step 5: Solve for x
    x = 5,043,574.43/3,545.51
  6. Step 6: Final answer
    x = 1,422.53

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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.