Home / 2,419.86-3,339.99-1,634.70

Finding the Fourth Proportional to 2,419.86, 3,339.99 and 1,634.70

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Solution

The fourth proportional to 2,419.86, 3,339.99 and 1,634.70 is: 2,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.86 : 3,339.99 = 1,634.70 : x
  2. Step 2: Convert to fraction form
    2,419.86/3,339.99 = 1,634.70/x
  3. Step 3: Cross multiply
    2,419.86x = 3,339.99 × 1,634.70
  4. Step 4: Simplify right side
    2,419.86x = 5,459,881.65
  5. Step 5: Solve for x
    x = 5,459,881.65/2,419.86
  6. Step 6: Final answer
    x = 2,256.28

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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.