Home / 2,283.29-3,149.37-1,399.53

Finding the Fourth Proportional to 2,283.29, 3,149.37 and 1,399.53

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Solution

The fourth proportional to 2,283.29, 3,149.37 and 1,399.53 is: 1,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.29 : 3,149.37 = 1,399.53 : x
  2. Step 2: Convert to fraction form
    2,283.29/3,149.37 = 1,399.53/x
  3. Step 3: Cross multiply
    2,283.29x = 3,149.37 × 1,399.53
  4. Step 4: Simplify right side
    2,283.29x = 4,407,637.80
  5. Step 5: Solve for x
    x = 4,407,637.80/2,283.29
  6. Step 6: Final answer
    x = 1,930.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.