Home / 3,705.33-5,557.35-1,239.81

Finding the Fourth Proportional to 3,705.33, 5,557.35 and 1,239.81

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Solution

The fourth proportional to 3,705.33, 5,557.35 and 1,239.81 is: 1,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.33 : 5,557.35 = 1,239.81 : x
  2. Step 2: Convert to fraction form
    3,705.33/5,557.35 = 1,239.81/x
  3. Step 3: Cross multiply
    3,705.33x = 5,557.35 × 1,239.81
  4. Step 4: Simplify right side
    3,705.33x = 6,890,058.10
  5. Step 5: Solve for x
    x = 6,890,058.10/3,705.33
  6. Step 6: Final answer
    x = 1,859.50

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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.