Home / 2,205.49-3,043.74-1,458.15

Finding the Fourth Proportional to 2,205.49, 3,043.74 and 1,458.15

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Solution

The fourth proportional to 2,205.49, 3,043.74 and 1,458.15 is: 2,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.49 : 3,043.74 = 1,458.15 : x
  2. Step 2: Convert to fraction form
    2,205.49/3,043.74 = 1,458.15/x
  3. Step 3: Cross multiply
    2,205.49x = 3,043.74 × 1,458.15
  4. Step 4: Simplify right side
    2,205.49x = 4,438,229.48
  5. Step 5: Solve for x
    x = 4,438,229.48/2,205.49
  6. Step 6: Final answer
    x = 2,012.36

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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.