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Finding the Fourth Proportional to 1,574.87, 2,361.89 and 958.46

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Solution

The fourth proportional to 1,574.87, 2,361.89 and 958.46 is: 1,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.87 : 2,361.89 = 958.46 : x
  2. Step 2: Convert to fraction form
    1,574.87/2,361.89 = 958.46/x
  3. Step 3: Cross multiply
    1,574.87x = 2,361.89 × 958.46
  4. Step 4: Simplify right side
    1,574.87x = 2,263,767.68
  5. Step 5: Solve for x
    x = 2,263,767.68/1,574.87
  6. Step 6: Final answer
    x = 1,437.44

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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.