Home / 3,184.86-4,396.59-2,124.39

Finding the Fourth Proportional to 3,184.86, 4,396.59 and 2,124.39

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Solution

The fourth proportional to 3,184.86, 4,396.59 and 2,124.39 is: 2,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.86 : 4,396.59 = 2,124.39 : x
  2. Step 2: Convert to fraction form
    3,184.86/4,396.59 = 2,124.39/x
  3. Step 3: Cross multiply
    3,184.86x = 4,396.59 × 2,124.39
  4. Step 4: Simplify right side
    3,184.86x = 9,340,071.83
  5. Step 5: Solve for x
    x = 9,340,071.83/3,184.86
  6. Step 6: Final answer
    x = 2,932.65

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1.5x scale

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.