Home / 3,803.61-5,706.05-1,207.17

Finding the Fourth Proportional to 3,803.61, 5,706.05 and 1,207.17

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Solution

The fourth proportional to 3,803.61, 5,706.05 and 1,207.17 is: 1,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.61 : 5,706.05 = 1,207.17 : x
  2. Step 2: Convert to fraction form
    3,803.61/5,706.05 = 1,207.17/x
  3. Step 3: Cross multiply
    3,803.61x = 5,706.05 × 1,207.17
  4. Step 4: Simplify right side
    3,803.61x = 6,888,166.34
  5. Step 5: Solve for x
    x = 6,888,166.34/3,803.61
  6. Step 6: Final answer
    x = 1,810.95

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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.