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Finding the Fourth Proportional to 2,602.98, 3,905.01 and 959.49

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Solution

The fourth proportional to 2,602.98, 3,905.01 and 959.49 is: 1,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.98 : 3,905.01 = 959.49 : x
  2. Step 2: Convert to fraction form
    2,602.98/3,905.01 = 959.49/x
  3. Step 3: Cross multiply
    2,602.98x = 3,905.01 × 959.49
  4. Step 4: Simplify right side
    2,602.98x = 3,746,818.04
  5. Step 5: Solve for x
    x = 3,746,818.04/2,602.98
  6. Step 6: Final answer
    x = 1,439.43

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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.