Home / 2,276.73-3,412.95-1,235.20

Finding the Fourth Proportional to 2,276.73, 3,412.95 and 1,235.20

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Solution

The fourth proportional to 2,276.73, 3,412.95 and 1,235.20 is: 1,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.73 : 3,412.95 = 1,235.20 : x
  2. Step 2: Convert to fraction form
    2,276.73/3,412.95 = 1,235.20/x
  3. Step 3: Cross multiply
    2,276.73x = 3,412.95 × 1,235.20
  4. Step 4: Simplify right side
    2,276.73x = 4,215,675.84
  5. Step 5: Solve for x
    x = 4,215,675.84/2,276.73
  6. Step 6: Final answer
    x = 1,851.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.