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Finding the Fourth Proportional to 2,601.97, 3,903.51 and 958.63

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Solution

The fourth proportional to 2,601.97, 3,903.51 and 958.63 is: 1,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.97 : 3,903.51 = 958.63 : x
  2. Step 2: Convert to fraction form
    2,601.97/3,903.51 = 958.63/x
  3. Step 3: Cross multiply
    2,601.97x = 3,903.51 × 958.63
  4. Step 4: Simplify right side
    2,601.97x = 3,742,021.79
  5. Step 5: Solve for x
    x = 3,742,021.79/2,601.97
  6. Step 6: Final answer
    x = 1,438.15

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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.