Home / 2,810.96-4,217.40-1,442

Finding the Fourth Proportional to 2,810.96, 4,217.40 and 1,442

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Solution

The fourth proportional to 2,810.96, 4,217.40 and 1,442 is: 2,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.96 : 4,217.40 = 1,442 : x
  2. Step 2: Convert to fraction form
    2,810.96/4,217.40 = 1,442/x
  3. Step 3: Cross multiply
    2,810.96x = 4,217.40 × 1,442
  4. Step 4: Simplify right side
    2,810.96x = 6,081,490.80
  5. Step 5: Solve for x
    x = 6,081,490.80/2,810.96
  6. Step 6: Final answer
    x = 2,163.49

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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.