Home / 2,331.76-3,217.80-1,336.98

Finding the Fourth Proportional to 2,331.76, 3,217.80 and 1,336.98

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Solution

The fourth proportional to 2,331.76, 3,217.80 and 1,336.98 is: 1,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.76 : 3,217.80 = 1,336.98 : x
  2. Step 2: Convert to fraction form
    2,331.76/3,217.80 = 1,336.98/x
  3. Step 3: Cross multiply
    2,331.76x = 3,217.80 × 1,336.98
  4. Step 4: Simplify right side
    2,331.76x = 4,302,134.24
  5. Step 5: Solve for x
    x = 4,302,134.24/2,331.76
  6. Step 6: Final answer
    x = 1,845.02

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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.