Home / 2,417.82-3,336.87-1,355.88

Finding the Fourth Proportional to 2,417.82, 3,336.87 and 1,355.88

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Solution

The fourth proportional to 2,417.82, 3,336.87 and 1,355.88 is: 1,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.82 : 3,336.87 = 1,355.88 : x
  2. Step 2: Convert to fraction form
    2,417.82/3,336.87 = 1,355.88/x
  3. Step 3: Cross multiply
    2,417.82x = 3,336.87 × 1,355.88
  4. Step 4: Simplify right side
    2,417.82x = 4,524,378.61
  5. Step 5: Solve for x
    x = 4,524,378.61/2,417.82
  6. Step 6: Final answer
    x = 1,871.26

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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.