Home / 3,507.48-5,259.68-1,863.64

Finding the Fourth Proportional to 3,507.48, 5,259.68 and 1,863.64

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Solution

The fourth proportional to 3,507.48, 5,259.68 and 1,863.64 is: 2,794.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.48 : 5,259.68 = 1,863.64 : x
  2. Step 2: Convert to fraction form
    3,507.48/5,259.68 = 1,863.64/x
  3. Step 3: Cross multiply
    3,507.48x = 5,259.68 × 1,863.64
  4. Step 4: Simplify right side
    3,507.48x = 9,802,150.04
  5. Step 5: Solve for x
    x = 9,802,150.04/3,507.48
  6. Step 6: Final answer
    x = 2,794.64

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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.