Home / 3,435.30-5,153.22-1,487.16

Finding the Fourth Proportional to 3,435.30, 5,153.22 and 1,487.16

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Solution

The fourth proportional to 3,435.30, 5,153.22 and 1,487.16 is: 2,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.30 : 5,153.22 = 1,487.16 : x
  2. Step 2: Convert to fraction form
    3,435.30/5,153.22 = 1,487.16/x
  3. Step 3: Cross multiply
    3,435.30x = 5,153.22 × 1,487.16
  4. Step 4: Simplify right side
    3,435.30x = 7,663,662.66
  5. Step 5: Solve for x
    x = 7,663,662.66/3,435.30
  6. Step 6: Final answer
    x = 2,230.86

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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.