Home / 2,429.34-3,643.29-1,879.26

Finding the Fourth Proportional to 2,429.34, 3,643.29 and 1,879.26

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Solution

The fourth proportional to 2,429.34, 3,643.29 and 1,879.26 is: 2,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.34 : 3,643.29 = 1,879.26 : x
  2. Step 2: Convert to fraction form
    2,429.34/3,643.29 = 1,879.26/x
  3. Step 3: Cross multiply
    2,429.34x = 3,643.29 × 1,879.26
  4. Step 4: Simplify right side
    2,429.34x = 6,846,689.17
  5. Step 5: Solve for x
    x = 6,846,689.17/2,429.34
  6. Step 6: Final answer
    x = 2,818.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.