Home / 3,545.70-5,318.81-1,204.76

Finding the Fourth Proportional to 3,545.70, 5,318.81 and 1,204.76

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Solution

The fourth proportional to 3,545.70, 5,318.81 and 1,204.76 is: 1,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.70 : 5,318.81 = 1,204.76 : x
  2. Step 2: Convert to fraction form
    3,545.70/5,318.81 = 1,204.76/x
  3. Step 3: Cross multiply
    3,545.70x = 5,318.81 × 1,204.76
  4. Step 4: Simplify right side
    3,545.70x = 6,407,856.92
  5. Step 5: Solve for x
    x = 6,407,856.92/3,545.70
  6. Step 6: Final answer
    x = 1,807.22

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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.