Home / 2,124.07-3,188.26-1,508.47

Finding the Fourth Proportional to 2,124.07, 3,188.26 and 1,508.47

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Solution

The fourth proportional to 2,124.07, 3,188.26 and 1,508.47 is: 2,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.07 : 3,188.26 = 1,508.47 : x
  2. Step 2: Convert to fraction form
    2,124.07/3,188.26 = 1,508.47/x
  3. Step 3: Cross multiply
    2,124.07x = 3,188.26 × 1,508.47
  4. Step 4: Simplify right side
    2,124.07x = 4,809,394.56
  5. Step 5: Solve for x
    x = 4,809,394.56/2,124.07
  6. Step 6: Final answer
    x = 2,264.24

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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.