Home / 2,789.28-3,848.04-1,741.68

Finding the Fourth Proportional to 2,789.28, 3,848.04 and 1,741.68

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Solution

The fourth proportional to 2,789.28, 3,848.04 and 1,741.68 is: 2,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.28 : 3,848.04 = 1,741.68 : x
  2. Step 2: Convert to fraction form
    2,789.28/3,848.04 = 1,741.68/x
  3. Step 3: Cross multiply
    2,789.28x = 3,848.04 × 1,741.68
  4. Step 4: Simplify right side
    2,789.28x = 6,702,054.31
  5. Step 5: Solve for x
    x = 6,702,054.31/2,789.28
  6. Step 6: Final answer
    x = 2,402.79

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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.