Home / 3,673.08-5,507.60-1,913.69

Finding the Fourth Proportional to 3,673.08, 5,507.60 and 1,913.69

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Solution

The fourth proportional to 3,673.08, 5,507.60 and 1,913.69 is: 2,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.08 : 5,507.60 = 1,913.69 : x
  2. Step 2: Convert to fraction form
    3,673.08/5,507.60 = 1,913.69/x
  3. Step 3: Cross multiply
    3,673.08x = 5,507.60 × 1,913.69
  4. Step 4: Simplify right side
    3,673.08x = 10,539,843.24
  5. Step 5: Solve for x
    x = 10,539,843.24/3,673.08
  6. Step 6: Final answer
    x = 2,869.48

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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.