Home / 2,058.42-3,087.66-826.40

Finding the Fourth Proportional to 2,058.42, 3,087.66 and 826.40

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Solution

The fourth proportional to 2,058.42, 3,087.66 and 826.40 is: 1,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.42 : 3,087.66 = 826.40 : x
  2. Step 2: Convert to fraction form
    2,058.42/3,087.66 = 826.40/x
  3. Step 3: Cross multiply
    2,058.42x = 3,087.66 × 826.40
  4. Step 4: Simplify right side
    2,058.42x = 2,551,642.22
  5. Step 5: Solve for x
    x = 2,551,642.22/2,058.42
  6. Step 6: Final answer
    x = 1,239.61

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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.