Home / 3,709.53-5,564.57-1,243.35

Finding the Fourth Proportional to 3,709.53, 5,564.57 and 1,243.35

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Solution

The fourth proportional to 3,709.53, 5,564.57 and 1,243.35 is: 1,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.53 : 5,564.57 = 1,243.35 : x
  2. Step 2: Convert to fraction form
    3,709.53/5,564.57 = 1,243.35/x
  3. Step 3: Cross multiply
    3,709.53x = 5,564.57 × 1,243.35
  4. Step 4: Simplify right side
    3,709.53x = 6,918,701.89
  5. Step 5: Solve for x
    x = 6,918,701.89/3,709.53
  6. Step 6: Final answer
    x = 1,865.12

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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.