Home / 2,760.16-3,809.03-1,581.30

Finding the Fourth Proportional to 2,760.16, 3,809.03 and 1,581.30

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Solution

The fourth proportional to 2,760.16, 3,809.03 and 1,581.30 is: 2,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.16 : 3,809.03 = 1,581.30 : x
  2. Step 2: Convert to fraction form
    2,760.16/3,809.03 = 1,581.30/x
  3. Step 3: Cross multiply
    2,760.16x = 3,809.03 × 1,581.30
  4. Step 4: Simplify right side
    2,760.16x = 6,023,232.61
  5. Step 5: Solve for x
    x = 6,023,232.61/2,760.16
  6. Step 6: Final answer
    x = 2,182.21

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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.