Home / 2,808.15-3,873.60-1,760.01

Finding the Fourth Proportional to 2,808.15, 3,873.60 and 1,760.01

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Solution

The fourth proportional to 2,808.15, 3,873.60 and 1,760.01 is: 2,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.15 : 3,873.60 = 1,760.01 : x
  2. Step 2: Convert to fraction form
    2,808.15/3,873.60 = 1,760.01/x
  3. Step 3: Cross multiply
    2,808.15x = 3,873.60 × 1,760.01
  4. Step 4: Simplify right side
    2,808.15x = 6,817,574.74
  5. Step 5: Solve for x
    x = 6,817,574.74/2,808.15
  6. Step 6: Final answer
    x = 2,427.78

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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.