Home / 3,278.84-4,529.22-3,045.56

Finding the Fourth Proportional to 3,278.84, 4,529.22 and 3,045.56

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Solution

The fourth proportional to 3,278.84, 4,529.22 and 3,045.56 is: 4,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.84 : 4,529.22 = 3,045.56 : x
  2. Step 2: Convert to fraction form
    3,278.84/4,529.22 = 3,045.56/x
  3. Step 3: Cross multiply
    3,278.84x = 4,529.22 × 3,045.56
  4. Step 4: Simplify right side
    3,278.84x = 13,794,011.26
  5. Step 5: Solve for x
    x = 13,794,011.26/3,278.84
  6. Step 6: Final answer
    x = 4,206.98

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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.