Home / 2,331.48-3,217.28-1,336.74

Finding the Fourth Proportional to 2,331.48, 3,217.28 and 1,336.74

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Solution

The fourth proportional to 2,331.48, 3,217.28 and 1,336.74 is: 1,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.48 : 3,217.28 = 1,336.74 : x
  2. Step 2: Convert to fraction form
    2,331.48/3,217.28 = 1,336.74/x
  3. Step 3: Cross multiply
    2,331.48x = 3,217.28 × 1,336.74
  4. Step 4: Simplify right side
    2,331.48x = 4,300,666.87
  5. Step 5: Solve for x
    x = 4,300,666.87/2,331.48
  6. Step 6: Final answer
    x = 1,844.61

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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.