Home / 2,417.20-3,335.72-1,369.26

Finding the Fourth Proportional to 2,417.20, 3,335.72 and 1,369.26

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Solution

The fourth proportional to 2,417.20, 3,335.72 and 1,369.26 is: 1,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.20 : 3,335.72 = 1,369.26 : x
  2. Step 2: Convert to fraction form
    2,417.20/3,335.72 = 1,369.26/x
  3. Step 3: Cross multiply
    2,417.20x = 3,335.72 × 1,369.26
  4. Step 4: Simplify right side
    2,417.20x = 4,567,467.97
  5. Step 5: Solve for x
    x = 4,567,467.97/2,417.20
  6. Step 6: Final answer
    x = 1,889.57

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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.