Home / 3,545.16-5,318.56-1,205.04

Finding the Fourth Proportional to 3,545.16, 5,318.56 and 1,205.04

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Solution

The fourth proportional to 3,545.16, 5,318.56 and 1,205.04 is: 1,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.16 : 5,318.56 = 1,205.04 : x
  2. Step 2: Convert to fraction form
    3,545.16/5,318.56 = 1,205.04/x
  3. Step 3: Cross multiply
    3,545.16x = 5,318.56 × 1,205.04
  4. Step 4: Simplify right side
    3,545.16x = 6,409,077.54
  5. Step 5: Solve for x
    x = 6,409,077.54/3,545.16
  6. Step 6: Final answer
    x = 1,807.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.