Home / 2,487.85-3,733.09-1,102.14

Finding the Fourth Proportional to 2,487.85, 3,733.09 and 1,102.14

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Solution

The fourth proportional to 2,487.85, 3,733.09 and 1,102.14 is: 1,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.85 : 3,733.09 = 1,102.14 : x
  2. Step 2: Convert to fraction form
    2,487.85/3,733.09 = 1,102.14/x
  3. Step 3: Cross multiply
    2,487.85x = 3,733.09 × 1,102.14
  4. Step 4: Simplify right side
    2,487.85x = 4,114,400.81
  5. Step 5: Solve for x
    x = 4,114,400.81/2,487.85
  6. Step 6: Final answer
    x = 1,653.80

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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.