Home / 3,705.74-5,557.23-1,240.04

Finding the Fourth Proportional to 3,705.74, 5,557.23 and 1,240.04

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Solution

The fourth proportional to 3,705.74, 5,557.23 and 1,240.04 is: 1,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.74 : 5,557.23 = 1,240.04 : x
  2. Step 2: Convert to fraction form
    3,705.74/5,557.23 = 1,240.04/x
  3. Step 3: Cross multiply
    3,705.74x = 5,557.23 × 1,240.04
  4. Step 4: Simplify right side
    3,705.74x = 6,891,187.49
  5. Step 5: Solve for x
    x = 6,891,187.49/3,705.74
  6. Step 6: Final answer
    x = 1,859.60

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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.