Home / 3,649.56-5,473.68-1,309.08

Finding the Fourth Proportional to 3,649.56, 5,473.68 and 1,309.08

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Solution

The fourth proportional to 3,649.56, 5,473.68 and 1,309.08 is: 1,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.56 : 5,473.68 = 1,309.08 : x
  2. Step 2: Convert to fraction form
    3,649.56/5,473.68 = 1,309.08/x
  3. Step 3: Cross multiply
    3,649.56x = 5,473.68 × 1,309.08
  4. Step 4: Simplify right side
    3,649.56x = 7,165,485.01
  5. Step 5: Solve for x
    x = 7,165,485.01/3,649.56
  6. Step 6: Final answer
    x = 1,963.38

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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.