Home / 3,905.93-5,854.79-1,439.18

Finding the Fourth Proportional to 3,905.93, 5,854.79 and 1,439.18

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Solution

The fourth proportional to 3,905.93, 5,854.79 and 1,439.18 is: 2,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.93 : 5,854.79 = 1,439.18 : x
  2. Step 2: Convert to fraction form
    3,905.93/5,854.79 = 1,439.18/x
  3. Step 3: Cross multiply
    3,905.93x = 5,854.79 × 1,439.18
  4. Step 4: Simplify right side
    3,905.93x = 8,426,071.00
  5. Step 5: Solve for x
    x = 8,426,071.00/3,905.93
  6. Step 6: Final answer
    x = 2,157.25

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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.