Home / 3,705.12-5,557.44-1,108

Finding the Fourth Proportional to 3,705.12, 5,557.44 and 1,108

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Solution

The fourth proportional to 3,705.12, 5,557.44 and 1,108 is: 1,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.12 : 5,557.44 = 1,108 : x
  2. Step 2: Convert to fraction form
    3,705.12/5,557.44 = 1,108/x
  3. Step 3: Cross multiply
    3,705.12x = 5,557.44 × 1,108
  4. Step 4: Simplify right side
    3,705.12x = 6,157,643.52
  5. Step 5: Solve for x
    x = 6,157,643.52/3,705.12
  6. Step 6: Final answer
    x = 1,661.93

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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.