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Finding the Fourth Proportional to 1,614.49, 2,228.09 and 951.77

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Solution

The fourth proportional to 1,614.49, 2,228.09 and 951.77 is: 1,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.49 : 2,228.09 = 951.77 : x
  2. Step 2: Convert to fraction form
    1,614.49/2,228.09 = 951.77/x
  3. Step 3: Cross multiply
    1,614.49x = 2,228.09 × 951.77
  4. Step 4: Simplify right side
    1,614.49x = 2,120,630.03
  5. Step 5: Solve for x
    x = 2,120,630.03/1,614.49
  6. Step 6: Final answer
    x = 1,313.50

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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.