Home / 3,583.90-5,376.53-1,243.81

Finding the Fourth Proportional to 3,583.90, 5,376.53 and 1,243.81

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Solution

The fourth proportional to 3,583.90, 5,376.53 and 1,243.81 is: 1,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.90 : 5,376.53 = 1,243.81 : x
  2. Step 2: Convert to fraction form
    3,583.90/5,376.53 = 1,243.81/x
  3. Step 3: Cross multiply
    3,583.90x = 5,376.53 × 1,243.81
  4. Step 4: Simplify right side
    3,583.90x = 6,687,381.78
  5. Step 5: Solve for x
    x = 6,687,381.78/3,583.90
  6. Step 6: Final answer
    x = 1,865.95

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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.