Home / 3,345.30-5,020.83-1,960.02

Finding the Fourth Proportional to 3,345.30, 5,020.83 and 1,960.02

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Solution

The fourth proportional to 3,345.30, 5,020.83 and 1,960.02 is: 2,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.30 : 5,020.83 = 1,960.02 : x
  2. Step 2: Convert to fraction form
    3,345.30/5,020.83 = 1,960.02/x
  3. Step 3: Cross multiply
    3,345.30x = 5,020.83 × 1,960.02
  4. Step 4: Simplify right side
    3,345.30x = 9,840,927.22
  5. Step 5: Solve for x
    x = 9,840,927.22/3,345.30
  6. Step 6: Final answer
    x = 2,941.72

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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.