Home / 3,137.36-4,320.52-3,072.08

Finding the Fourth Proportional to 3,137.36, 4,320.52 and 3,072.08

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Solution

The fourth proportional to 3,137.36, 4,320.52 and 3,072.08 is: 4,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.36 : 4,320.52 = 3,072.08 : x
  2. Step 2: Convert to fraction form
    3,137.36/4,320.52 = 3,072.08/x
  3. Step 3: Cross multiply
    3,137.36x = 4,320.52 × 3,072.08
  4. Step 4: Simplify right side
    3,137.36x = 13,272,983.08
  5. Step 5: Solve for x
    x = 13,272,983.08/3,137.36
  6. Step 6: Final answer
    x = 4,230.62

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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.