Home / 2,790.48-3,842.52-2,371.44

Finding the Fourth Proportional to 2,790.48, 3,842.52 and 2,371.44

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Solution

The fourth proportional to 2,790.48, 3,842.52 and 2,371.44 is: 3,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.48 : 3,842.52 = 2,371.44 : x
  2. Step 2: Convert to fraction form
    2,790.48/3,842.52 = 2,371.44/x
  3. Step 3: Cross multiply
    2,790.48x = 3,842.52 × 2,371.44
  4. Step 4: Simplify right side
    2,790.48x = 9,112,305.63
  5. Step 5: Solve for x
    x = 9,112,305.63/2,790.48
  6. Step 6: Final answer
    x = 3,265.50

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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.