Home / 2,042.40-3,043.26-1,824.30

Finding the Fourth Proportional to 2,042.40, 3,043.26 and 1,824.30

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Solution

The fourth proportional to 2,042.40, 3,043.26 and 1,824.30 is: 2,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.40 : 3,043.26 = 1,824.30 : x
  2. Step 2: Convert to fraction form
    2,042.40/3,043.26 = 1,824.30/x
  3. Step 3: Cross multiply
    2,042.40x = 3,043.26 × 1,824.30
  4. Step 4: Simplify right side
    2,042.40x = 5,551,819.22
  5. Step 5: Solve for x
    x = 5,551,819.22/2,042.40
  6. Step 6: Final answer
    x = 2,718.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.