Home / 3,006.48-4,144.32-2,261.28

Finding the Fourth Proportional to 3,006.48, 4,144.32 and 2,261.28

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Solution

The fourth proportional to 3,006.48, 4,144.32 and 2,261.28 is: 3,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.48 : 4,144.32 = 2,261.28 : x
  2. Step 2: Convert to fraction form
    3,006.48/4,144.32 = 2,261.28/x
  3. Step 3: Cross multiply
    3,006.48x = 4,144.32 × 2,261.28
  4. Step 4: Simplify right side
    3,006.48x = 9,371,467.93
  5. Step 5: Solve for x
    x = 9,371,467.93/3,006.48
  6. Step 6: Final answer
    x = 3,117.09

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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.