Home / 3,477.83-5,217.36-1,917.17

Finding the Fourth Proportional to 3,477.83, 5,217.36 and 1,917.17

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Solution

The fourth proportional to 3,477.83, 5,217.36 and 1,917.17 is: 2,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.83 : 5,217.36 = 1,917.17 : x
  2. Step 2: Convert to fraction form
    3,477.83/5,217.36 = 1,917.17/x
  3. Step 3: Cross multiply
    3,477.83x = 5,217.36 × 1,917.17
  4. Step 4: Simplify right side
    3,477.83x = 10,002,530.40
  5. Step 5: Solve for x
    x = 10,002,530.40/3,477.83
  6. Step 6: Final answer
    x = 2,876.08

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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.