Home / 3,972.83-5,483.16-2,205.01

Finding the Fourth Proportional to 3,972.83, 5,483.16 and 2,205.01

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Solution

The fourth proportional to 3,972.83, 5,483.16 and 2,205.01 is: 3,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.83 : 5,483.16 = 2,205.01 : x
  2. Step 2: Convert to fraction form
    3,972.83/5,483.16 = 2,205.01/x
  3. Step 3: Cross multiply
    3,972.83x = 5,483.16 × 2,205.01
  4. Step 4: Simplify right side
    3,972.83x = 12,090,408.92
  5. Step 5: Solve for x
    x = 12,090,408.92/3,972.83
  6. Step 6: Final answer
    x = 3,043.27

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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.