Home / 3,529.79-4,868.91-2,272.49

Finding the Fourth Proportional to 3,529.79, 4,868.91 and 2,272.49

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Solution

The fourth proportional to 3,529.79, 4,868.91 and 2,272.49 is: 3,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.79 : 4,868.91 = 2,272.49 : x
  2. Step 2: Convert to fraction form
    3,529.79/4,868.91 = 2,272.49/x
  3. Step 3: Cross multiply
    3,529.79x = 4,868.91 × 2,272.49
  4. Step 4: Simplify right side
    3,529.79x = 11,064,549.29
  5. Step 5: Solve for x
    x = 11,064,549.29/3,529.79
  6. Step 6: Final answer
    x = 3,134.62

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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.