Home / 2,058.10-3,086.46-671.11

Finding the Fourth Proportional to 2,058.10, 3,086.46 and 671.11

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Solution

The fourth proportional to 2,058.10, 3,086.46 and 671.11 is: 1,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.10 : 3,086.46 = 671.11 : x
  2. Step 2: Convert to fraction form
    2,058.10/3,086.46 = 671.11/x
  3. Step 3: Cross multiply
    2,058.10x = 3,086.46 × 671.11
  4. Step 4: Simplify right side
    2,058.10x = 2,071,354.17
  5. Step 5: Solve for x
    x = 2,071,354.17/2,058.10
  6. Step 6: Final answer
    x = 1,006.44

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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.