Home / 2,417.29-3,335.88-1,369.42

Finding the Fourth Proportional to 2,417.29, 3,335.88 and 1,369.42

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Solution

The fourth proportional to 2,417.29, 3,335.88 and 1,369.42 is: 1,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.29 : 3,335.88 = 1,369.42 : x
  2. Step 2: Convert to fraction form
    2,417.29/3,335.88 = 1,369.42/x
  3. Step 3: Cross multiply
    2,417.29x = 3,335.88 × 1,369.42
  4. Step 4: Simplify right side
    2,417.29x = 4,568,220.79
  5. Step 5: Solve for x
    x = 4,568,220.79/2,417.29
  6. Step 6: Final answer
    x = 1,889.81

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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.