Home / 2,219.68-3,062.64-1,335.52

Finding the Fourth Proportional to 2,219.68, 3,062.64 and 1,335.52

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Solution

The fourth proportional to 2,219.68, 3,062.64 and 1,335.52 is: 1,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.68 : 3,062.64 = 1,335.52 : x
  2. Step 2: Convert to fraction form
    2,219.68/3,062.64 = 1,335.52/x
  3. Step 3: Cross multiply
    2,219.68x = 3,062.64 × 1,335.52
  4. Step 4: Simplify right side
    2,219.68x = 4,090,216.97
  5. Step 5: Solve for x
    x = 4,090,216.97/2,219.68
  6. Step 6: Final answer
    x = 1,842.71

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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.