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Finding the Fourth Proportional to 2,885.66, 4,328.49 and 2,228.50

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Solution

The fourth proportional to 2,885.66, 4,328.49 and 2,228.50 is: 3,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.66 : 4,328.49 = 2,228.50 : x
  2. Step 2: Convert to fraction form
    2,885.66/4,328.49 = 2,228.50/x
  3. Step 3: Cross multiply
    2,885.66x = 4,328.49 × 2,228.50
  4. Step 4: Simplify right side
    2,885.66x = 9,646,053.73
  5. Step 5: Solve for x
    x = 9,646,053.73/2,885.66
  6. Step 6: Final answer
    x = 3,342.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.