Home / 2,058.40-3,087.60-2,021.95

Finding the Fourth Proportional to 2,058.40, 3,087.60 and 2,021.95

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Solution

The fourth proportional to 2,058.40, 3,087.60 and 2,021.95 is: 3,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.40 : 3,087.60 = 2,021.95 : x
  2. Step 2: Convert to fraction form
    2,058.40/3,087.60 = 2,021.95/x
  3. Step 3: Cross multiply
    2,058.40x = 3,087.60 × 2,021.95
  4. Step 4: Simplify right side
    2,058.40x = 6,242,972.82
  5. Step 5: Solve for x
    x = 6,242,972.82/2,058.40
  6. Step 6: Final answer
    x = 3,032.93

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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.