Home / 2,058.11-3,087.51-671.05

Finding the Fourth Proportional to 2,058.11, 3,087.51 and 671.05

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Solution

The fourth proportional to 2,058.11, 3,087.51 and 671.05 is: 1,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.11 : 3,087.51 = 671.05 : x
  2. Step 2: Convert to fraction form
    2,058.11/3,087.51 = 671.05/x
  3. Step 3: Cross multiply
    2,058.11x = 3,087.51 × 671.05
  4. Step 4: Simplify right side
    2,058.11x = 2,071,873.59
  5. Step 5: Solve for x
    x = 2,071,873.59/2,058.11
  6. Step 6: Final answer
    x = 1,006.69

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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.