Home / 3,424.75-4,721.85-2,794.64

Finding the Fourth Proportional to 3,424.75, 4,721.85 and 2,794.64

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Solution

The fourth proportional to 3,424.75, 4,721.85 and 2,794.64 is: 3,853.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.75 : 4,721.85 = 2,794.64 : x
  2. Step 2: Convert to fraction form
    3,424.75/4,721.85 = 2,794.64/x
  3. Step 3: Cross multiply
    3,424.75x = 4,721.85 × 2,794.64
  4. Step 4: Simplify right side
    3,424.75x = 13,195,875.46
  5. Step 5: Solve for x
    x = 13,195,875.46/3,424.75
  6. Step 6: Final answer
    x = 3,853.09

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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.