Home / 2,330.74-3,216.88-1,336.68

Finding the Fourth Proportional to 2,330.74, 3,216.88 and 1,336.68

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Solution

The fourth proportional to 2,330.74, 3,216.88 and 1,336.68 is: 1,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.74 : 3,216.88 = 1,336.68 : x
  2. Step 2: Convert to fraction form
    2,330.74/3,216.88 = 1,336.68/x
  3. Step 3: Cross multiply
    2,330.74x = 3,216.88 × 1,336.68
  4. Step 4: Simplify right side
    2,330.74x = 4,299,939.16
  5. Step 5: Solve for x
    x = 4,299,939.16/2,330.74
  6. Step 6: Final answer
    x = 1,844.88

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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.