Home / 2,760.04-3,808.84-1,581.10

Finding the Fourth Proportional to 2,760.04, 3,808.84 and 1,581.10

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Solution

The fourth proportional to 2,760.04, 3,808.84 and 1,581.10 is: 2,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.04 : 3,808.84 = 1,581.10 : x
  2. Step 2: Convert to fraction form
    2,760.04/3,808.84 = 1,581.10/x
  3. Step 3: Cross multiply
    2,760.04x = 3,808.84 × 1,581.10
  4. Step 4: Simplify right side
    2,760.04x = 6,022,156.92
  5. Step 5: Solve for x
    x = 6,022,156.92/2,760.04
  6. Step 6: Final answer
    x = 2,181.91

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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.