Home / 2,862.71-4,295.68-1,219.08

Finding the Fourth Proportional to 2,862.71, 4,295.68 and 1,219.08

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Solution

The fourth proportional to 2,862.71, 4,295.68 and 1,219.08 is: 1,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.71 : 4,295.68 = 1,219.08 : x
  2. Step 2: Convert to fraction form
    2,862.71/4,295.68 = 1,219.08/x
  3. Step 3: Cross multiply
    2,862.71x = 4,295.68 × 1,219.08
  4. Step 4: Simplify right side
    2,862.71x = 5,236,774.53
  5. Step 5: Solve for x
    x = 5,236,774.53/2,862.71
  6. Step 6: Final answer
    x = 1,829.31

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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.