Home / 2,881.01-4,310.57-1,782.65

Finding the Fourth Proportional to 2,881.01, 4,310.57 and 1,782.65

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Solution

The fourth proportional to 2,881.01, 4,310.57 and 1,782.65 is: 2,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.01 : 4,310.57 = 1,782.65 : x
  2. Step 2: Convert to fraction form
    2,881.01/4,310.57 = 1,782.65/x
  3. Step 3: Cross multiply
    2,881.01x = 4,310.57 × 1,782.65
  4. Step 4: Simplify right side
    2,881.01x = 7,684,207.14
  5. Step 5: Solve for x
    x = 7,684,207.14/2,881.01
  6. Step 6: Final answer
    x = 2,667.20

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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.