Home / 1,274.16-1,905.74-1,134.44

Finding the Fourth Proportional to 1,274.16, 1,905.74 and 1,134.44

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Solution

The fourth proportional to 1,274.16, 1,905.74 and 1,134.44 is: 1,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274.16 : 1,905.74 = 1,134.44 : x
  2. Step 2: Convert to fraction form
    1,274.16/1,905.74 = 1,134.44/x
  3. Step 3: Cross multiply
    1,274.16x = 1,905.74 × 1,134.44
  4. Step 4: Simplify right side
    1,274.16x = 2,161,947.69
  5. Step 5: Solve for x
    x = 2,161,947.69/1,274.16
  6. Step 6: Final answer
    x = 1,696.76

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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.