Home / 3,764.09-5,646.59-1,299.47

Finding the Fourth Proportional to 3,764.09, 5,646.59 and 1,299.47

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Solution

The fourth proportional to 3,764.09, 5,646.59 and 1,299.47 is: 1,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.09 : 5,646.59 = 1,299.47 : x
  2. Step 2: Convert to fraction form
    3,764.09/5,646.59 = 1,299.47/x
  3. Step 3: Cross multiply
    3,764.09x = 5,646.59 × 1,299.47
  4. Step 4: Simplify right side
    3,764.09x = 7,337,539.58
  5. Step 5: Solve for x
    x = 7,337,539.58/3,764.09
  6. Step 6: Final answer
    x = 1,949.36

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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.