Home / 2,911.48-4,013.04-2,281

Finding the Fourth Proportional to 2,911.48, 4,013.04 and 2,281

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Solution

The fourth proportional to 2,911.48, 4,013.04 and 2,281 is: 3,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.48 : 4,013.04 = 2,281 : x
  2. Step 2: Convert to fraction form
    2,911.48/4,013.04 = 2,281/x
  3. Step 3: Cross multiply
    2,911.48x = 4,013.04 × 2,281
  4. Step 4: Simplify right side
    2,911.48x = 9,153,744.24
  5. Step 5: Solve for x
    x = 9,153,744.24/2,911.48
  6. Step 6: Final answer
    x = 3,144.02

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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.