Home / 2,911.52-4,018.19-2,549.29

Finding the Fourth Proportional to 2,911.52, 4,018.19 and 2,549.29

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Solution

The fourth proportional to 2,911.52, 4,018.19 and 2,549.29 is: 3,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.52 : 4,018.19 = 2,549.29 : x
  2. Step 2: Convert to fraction form
    2,911.52/4,018.19 = 2,549.29/x
  3. Step 3: Cross multiply
    2,911.52x = 4,018.19 × 2,549.29
  4. Step 4: Simplify right side
    2,911.52x = 10,243,527.91
  5. Step 5: Solve for x
    x = 10,243,527.91/2,911.52
  6. Step 6: Final answer
    x = 3,518.28

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1.5x scale

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.