Home / 1,350.34-2,017.12-1,131.64

Finding the Fourth Proportional to 1,350.34, 2,017.12 and 1,131.64

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Solution

The fourth proportional to 1,350.34, 2,017.12 and 1,131.64 is: 1,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.34 : 2,017.12 = 1,131.64 : x
  2. Step 2: Convert to fraction form
    1,350.34/2,017.12 = 1,131.64/x
  3. Step 3: Cross multiply
    1,350.34x = 2,017.12 × 1,131.64
  4. Step 4: Simplify right side
    1,350.34x = 2,282,653.68
  5. Step 5: Solve for x
    x = 2,282,653.68/1,350.34
  6. Step 6: Final answer
    x = 1,690.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.