Home / 1,953.38-2,694.93-1,255.16

Finding the Fourth Proportional to 1,953.38, 2,694.93 and 1,255.16

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Solution

The fourth proportional to 1,953.38, 2,694.93 and 1,255.16 is: 1,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.38 : 2,694.93 = 1,255.16 : x
  2. Step 2: Convert to fraction form
    1,953.38/2,694.93 = 1,255.16/x
  3. Step 3: Cross multiply
    1,953.38x = 2,694.93 × 1,255.16
  4. Step 4: Simplify right side
    1,953.38x = 3,382,568.34
  5. Step 5: Solve for x
    x = 3,382,568.34/1,953.38
  6. Step 6: Final answer
    x = 1,731.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.