Home / 3,559.02-5,340.35-1,917.15

Finding the Fourth Proportional to 3,559.02, 5,340.35 and 1,917.15

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Solution

The fourth proportional to 3,559.02, 5,340.35 and 1,917.15 is: 2,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.02 : 5,340.35 = 1,917.15 : x
  2. Step 2: Convert to fraction form
    3,559.02/5,340.35 = 1,917.15/x
  3. Step 3: Cross multiply
    3,559.02x = 5,340.35 × 1,917.15
  4. Step 4: Simplify right side
    3,559.02x = 10,238,252.00
  5. Step 5: Solve for x
    x = 10,238,252.00/3,559.02
  6. Step 6: Final answer
    x = 2,876.71

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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.