Home / 3,764.64-5,646.56-1,299.18

Finding the Fourth Proportional to 3,764.64, 5,646.56 and 1,299.18

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Solution

The fourth proportional to 3,764.64, 5,646.56 and 1,299.18 is: 1,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.64 : 5,646.56 = 1,299.18 : x
  2. Step 2: Convert to fraction form
    3,764.64/5,646.56 = 1,299.18/x
  3. Step 3: Cross multiply
    3,764.64x = 5,646.56 × 1,299.18
  4. Step 4: Simplify right side
    3,764.64x = 7,335,891.32
  5. Step 5: Solve for x
    x = 7,335,891.32/3,764.64
  6. Step 6: Final answer
    x = 1,948.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.