Home / 2,760.28-3,809.21-1,501.36

Finding the Fourth Proportional to 2,760.28, 3,809.21 and 1,501.36

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Solution

The fourth proportional to 2,760.28, 3,809.21 and 1,501.36 is: 2,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.28 : 3,809.21 = 1,501.36 : x
  2. Step 2: Convert to fraction form
    2,760.28/3,809.21 = 1,501.36/x
  3. Step 3: Cross multiply
    2,760.28x = 3,809.21 × 1,501.36
  4. Step 4: Simplify right side
    2,760.28x = 5,719,008.37
  5. Step 5: Solve for x
    x = 5,719,008.37/2,760.28
  6. Step 6: Final answer
    x = 2,071.90

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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.