Home / 3,545.45-5,318.82-1,465.05

Finding the Fourth Proportional to 3,545.45, 5,318.82 and 1,465.05

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Solution

The fourth proportional to 3,545.45, 5,318.82 and 1,465.05 is: 2,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.45 : 5,318.82 = 1,465.05 : x
  2. Step 2: Convert to fraction form
    3,545.45/5,318.82 = 1,465.05/x
  3. Step 3: Cross multiply
    3,545.45x = 5,318.82 × 1,465.05
  4. Step 4: Simplify right side
    3,545.45x = 7,792,337.24
  5. Step 5: Solve for x
    x = 7,792,337.24/3,545.45
  6. Step 6: Final answer
    x = 2,197.84

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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.