Home / 3,705.17-5,557.35-1,107.50

Finding the Fourth Proportional to 3,705.17, 5,557.35 and 1,107.50

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Solution

The fourth proportional to 3,705.17, 5,557.35 and 1,107.50 is: 1,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.17 : 5,557.35 = 1,107.50 : x
  2. Step 2: Convert to fraction form
    3,705.17/5,557.35 = 1,107.50/x
  3. Step 3: Cross multiply
    3,705.17x = 5,557.35 × 1,107.50
  4. Step 4: Simplify right side
    3,705.17x = 6,154,765.13
  5. Step 5: Solve for x
    x = 6,154,765.13/3,705.17
  6. Step 6: Final answer
    x = 1,661.13

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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.