Home / 2,862.14-4,293.36-914.19

Finding the Fourth Proportional to 2,862.14, 4,293.36 and 914.19

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Solution

The fourth proportional to 2,862.14, 4,293.36 and 914.19 is: 1,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.14 : 4,293.36 = 914.19 : x
  2. Step 2: Convert to fraction form
    2,862.14/4,293.36 = 914.19/x
  3. Step 3: Cross multiply
    2,862.14x = 4,293.36 × 914.19
  4. Step 4: Simplify right side
    2,862.14x = 3,924,946.78
  5. Step 5: Solve for x
    x = 3,924,946.78/2,862.14
  6. Step 6: Final answer
    x = 1,371.33

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1.5x scale

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.