Home / 1,512.46-2,087.26-952.72

Finding the Fourth Proportional to 1,512.46, 2,087.26 and 952.72

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Solution

The fourth proportional to 1,512.46, 2,087.26 and 952.72 is: 1,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.46 : 2,087.26 = 952.72 : x
  2. Step 2: Convert to fraction form
    1,512.46/2,087.26 = 952.72/x
  3. Step 3: Cross multiply
    1,512.46x = 2,087.26 × 952.72
  4. Step 4: Simplify right side
    1,512.46x = 1,988,574.35
  5. Step 5: Solve for x
    x = 1,988,574.35/1,512.46
  6. Step 6: Final answer
    x = 1,314.79

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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.