Home / 3,759.84-5,188.40-2,058.31

Finding the Fourth Proportional to 3,759.84, 5,188.40 and 2,058.31

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Solution

The fourth proportional to 3,759.84, 5,188.40 and 2,058.31 is: 2,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.84 : 5,188.40 = 2,058.31 : x
  2. Step 2: Convert to fraction form
    3,759.84/5,188.40 = 2,058.31/x
  3. Step 3: Cross multiply
    3,759.84x = 5,188.40 × 2,058.31
  4. Step 4: Simplify right side
    3,759.84x = 10,679,335.60
  5. Step 5: Solve for x
    x = 10,679,335.60/3,759.84
  6. Step 6: Final answer
    x = 2,840.37

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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.