Home / 2,043.74-2,819.60-1,246.79

Finding the Fourth Proportional to 2,043.74, 2,819.60 and 1,246.79

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Solution

The fourth proportional to 2,043.74, 2,819.60 and 1,246.79 is: 1,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.74 : 2,819.60 = 1,246.79 : x
  2. Step 2: Convert to fraction form
    2,043.74/2,819.60 = 1,246.79/x
  3. Step 3: Cross multiply
    2,043.74x = 2,819.60 × 1,246.79
  4. Step 4: Simplify right side
    2,043.74x = 3,515,428.75
  5. Step 5: Solve for x
    x = 3,515,428.75/2,043.74
  6. Step 6: Final answer
    x = 1,720.10

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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.