Home / 3,289.18-4,537.57-1,962.40

Finding the Fourth Proportional to 3,289.18, 4,537.57 and 1,962.40

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Solution

The fourth proportional to 3,289.18, 4,537.57 and 1,962.40 is: 2,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.18 : 4,537.57 = 1,962.40 : x
  2. Step 2: Convert to fraction form
    3,289.18/4,537.57 = 1,962.40/x
  3. Step 3: Cross multiply
    3,289.18x = 4,537.57 × 1,962.40
  4. Step 4: Simplify right side
    3,289.18x = 8,904,523.31
  5. Step 5: Solve for x
    x = 8,904,523.31/3,289.18
  6. Step 6: Final answer
    x = 2,707.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.