Home / 3,424.35-5,111.75-3,009.16

Finding the Fourth Proportional to 3,424.35, 5,111.75 and 3,009.16

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Solution

The fourth proportional to 3,424.35, 5,111.75 and 3,009.16 is: 4,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.35 : 5,111.75 = 3,009.16 : x
  2. Step 2: Convert to fraction form
    3,424.35/5,111.75 = 3,009.16/x
  3. Step 3: Cross multiply
    3,424.35x = 5,111.75 × 3,009.16
  4. Step 4: Simplify right side
    3,424.35x = 15,382,058.58
  5. Step 5: Solve for x
    x = 15,382,058.58/3,424.35
  6. Step 6: Final answer
    x = 4,491.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.