Home / 2,681.56-3,697.68-1,632.88

Finding the Fourth Proportional to 2,681.56, 3,697.68 and 1,632.88

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Solution

The fourth proportional to 2,681.56, 3,697.68 and 1,632.88 is: 2,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.56 : 3,697.68 = 1,632.88 : x
  2. Step 2: Convert to fraction form
    2,681.56/3,697.68 = 1,632.88/x
  3. Step 3: Cross multiply
    2,681.56x = 3,697.68 × 1,632.88
  4. Step 4: Simplify right side
    2,681.56x = 6,037,867.72
  5. Step 5: Solve for x
    x = 6,037,867.72/2,681.56
  6. Step 6: Final answer
    x = 2,251.63

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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.