Home / 3,646.08-5,038.40-2,982.69

Finding the Fourth Proportional to 3,646.08, 5,038.40 and 2,982.69

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Solution

The fourth proportional to 3,646.08, 5,038.40 and 2,982.69 is: 4,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.08 : 5,038.40 = 2,982.69 : x
  2. Step 2: Convert to fraction form
    3,646.08/5,038.40 = 2,982.69/x
  3. Step 3: Cross multiply
    3,646.08x = 5,038.40 × 2,982.69
  4. Step 4: Simplify right side
    3,646.08x = 15,027,992.75
  5. Step 5: Solve for x
    x = 15,027,992.75/3,646.08
  6. Step 6: Final answer
    x = 4,121.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.