Home / 1,646.26-2,274-1,332.70

Finding the Fourth Proportional to 1,646.26, 2,274 and 1,332.70

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Solution

The fourth proportional to 1,646.26, 2,274 and 1,332.70 is: 1,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.26 : 2,274 = 1,332.70 : x
  2. Step 2: Convert to fraction form
    1,646.26/2,274 = 1,332.70/x
  3. Step 3: Cross multiply
    1,646.26x = 2,274 × 1,332.70
  4. Step 4: Simplify right side
    1,646.26x = 3,030,559.80
  5. Step 5: Solve for x
    x = 3,030,559.80/1,646.26
  6. Step 6: Final answer
    x = 1,840.88

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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.