Home / 3,706.12-5,557.56-1,108.45

Finding the Fourth Proportional to 3,706.12, 5,557.56 and 1,108.45

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Solution

The fourth proportional to 3,706.12, 5,557.56 and 1,108.45 is: 1,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.12 : 5,557.56 = 1,108.45 : x
  2. Step 2: Convert to fraction form
    3,706.12/5,557.56 = 1,108.45/x
  3. Step 3: Cross multiply
    3,706.12x = 5,557.56 × 1,108.45
  4. Step 4: Simplify right side
    3,706.12x = 6,160,277.38
  5. Step 5: Solve for x
    x = 6,160,277.38/3,706.12
  6. Step 6: Final answer
    x = 1,662.19

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1.5x scale

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.