Home / 1,172.39-1,758.96-1,056.29

Finding the Fourth Proportional to 1,172.39, 1,758.96 and 1,056.29

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Solution

The fourth proportional to 1,172.39, 1,758.96 and 1,056.29 is: 1,584.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.39 : 1,758.96 = 1,056.29 : x
  2. Step 2: Convert to fraction form
    1,172.39/1,758.96 = 1,056.29/x
  3. Step 3: Cross multiply
    1,172.39x = 1,758.96 × 1,056.29
  4. Step 4: Simplify right side
    1,172.39x = 1,857,963.06
  5. Step 5: Solve for x
    x = 1,857,963.06/1,172.39
  6. Step 6: Final answer
    x = 1,584.77

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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.