Home / 2,039.12-3,062.40-1,867.76

Finding the Fourth Proportional to 2,039.12, 3,062.40 and 1,867.76

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Solution

The fourth proportional to 2,039.12, 3,062.40 and 1,867.76 is: 2,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.12 : 3,062.40 = 1,867.76 : x
  2. Step 2: Convert to fraction form
    2,039.12/3,062.40 = 1,867.76/x
  3. Step 3: Cross multiply
    2,039.12x = 3,062.40 × 1,867.76
  4. Step 4: Simplify right side
    2,039.12x = 5,719,828.22
  5. Step 5: Solve for x
    x = 5,719,828.22/2,039.12
  6. Step 6: Final answer
    x = 2,805.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.