Home / 3,957.15-5,460.70-2,164.58

Finding the Fourth Proportional to 3,957.15, 5,460.70 and 2,164.58

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Solution

The fourth proportional to 3,957.15, 5,460.70 and 2,164.58 is: 2,987.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.15 : 5,460.70 = 2,164.58 : x
  2. Step 2: Convert to fraction form
    3,957.15/5,460.70 = 2,164.58/x
  3. Step 3: Cross multiply
    3,957.15x = 5,460.70 × 2,164.58
  4. Step 4: Simplify right side
    3,957.15x = 11,820,130.25
  5. Step 5: Solve for x
    x = 11,820,130.25/3,957.15
  6. Step 6: Final answer
    x = 2,987.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.