Home / 2,889.84-4,344.43-2,280.89

Finding the Fourth Proportional to 2,889.84, 4,344.43 and 2,280.89

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Solution

The fourth proportional to 2,889.84, 4,344.43 and 2,280.89 is: 3,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.84 : 4,344.43 = 2,280.89 : x
  2. Step 2: Convert to fraction form
    2,889.84/4,344.43 = 2,280.89/x
  3. Step 3: Cross multiply
    2,889.84x = 4,344.43 × 2,280.89
  4. Step 4: Simplify right side
    2,889.84x = 9,909,133.82
  5. Step 5: Solve for x
    x = 9,909,133.82/2,889.84
  6. Step 6: Final answer
    x = 3,428.96

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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.