Home / 3,917.13-5,870.43-1,449.60

Finding the Fourth Proportional to 3,917.13, 5,870.43 and 1,449.60

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Solution

The fourth proportional to 3,917.13, 5,870.43 and 1,449.60 is: 2,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.13 : 5,870.43 = 1,449.60 : x
  2. Step 2: Convert to fraction form
    3,917.13/5,870.43 = 1,449.60/x
  3. Step 3: Cross multiply
    3,917.13x = 5,870.43 × 1,449.60
  4. Step 4: Simplify right side
    3,917.13x = 8,509,775.33
  5. Step 5: Solve for x
    x = 8,509,775.33/3,917.13
  6. Step 6: Final answer
    x = 2,172.45

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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.