Home / 1,274.34-1,904.46-1,175.84

Finding the Fourth Proportional to 1,274.34, 1,904.46 and 1,175.84

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Solution

The fourth proportional to 1,274.34, 1,904.46 and 1,175.84 is: 1,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.34 : 1,904.46 = 1,175.84 : x
  2. Step 2: Convert to fraction form
    1,274.34/1,904.46 = 1,175.84/x
  3. Step 3: Cross multiply
    1,274.34x = 1,904.46 × 1,175.84
  4. Step 4: Simplify right side
    1,274.34x = 2,239,330.72
  5. Step 5: Solve for x
    x = 2,239,330.72/1,274.34
  6. Step 6: Final answer
    x = 1,757.25

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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.