Home / 2,812.13-4,214.09-1,581.94

Finding the Fourth Proportional to 2,812.13, 4,214.09 and 1,581.94

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Solution

The fourth proportional to 2,812.13, 4,214.09 and 1,581.94 is: 2,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.13 : 4,214.09 = 1,581.94 : x
  2. Step 2: Convert to fraction form
    2,812.13/4,214.09 = 1,581.94/x
  3. Step 3: Cross multiply
    2,812.13x = 4,214.09 × 1,581.94
  4. Step 4: Simplify right side
    2,812.13x = 6,666,419.09
  5. Step 5: Solve for x
    x = 6,666,419.09/2,812.13
  6. Step 6: Final answer
    x = 2,370.60

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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.