Home / 2,419.27-3,340.51-1,858.88

Finding the Fourth Proportional to 2,419.27, 3,340.51 and 1,858.88

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Solution

The fourth proportional to 2,419.27, 3,340.51 and 1,858.88 is: 2,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.27 : 3,340.51 = 1,858.88 : x
  2. Step 2: Convert to fraction form
    2,419.27/3,340.51 = 1,858.88/x
  3. Step 3: Cross multiply
    2,419.27x = 3,340.51 × 1,858.88
  4. Step 4: Simplify right side
    2,419.27x = 6,209,610.93
  5. Step 5: Solve for x
    x = 6,209,610.93/2,419.27
  6. Step 6: Final answer
    x = 2,566.73

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Double scale
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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.