Home / 2,881.24-3,966.50-2,748.99

Finding the Fourth Proportional to 2,881.24, 3,966.50 and 2,748.99

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Solution

The fourth proportional to 2,881.24, 3,966.50 and 2,748.99 is: 3,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.24 : 3,966.50 = 2,748.99 : x
  2. Step 2: Convert to fraction form
    2,881.24/3,966.50 = 2,748.99/x
  3. Step 3: Cross multiply
    2,881.24x = 3,966.50 × 2,748.99
  4. Step 4: Simplify right side
    2,881.24x = 10,903,869.96
  5. Step 5: Solve for x
    x = 10,903,869.96/2,881.24
  6. Step 6: Final answer
    x = 3,784.43

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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.