Home / 3,973.38-5,483.74-2,205.10

Finding the Fourth Proportional to 3,973.38, 5,483.74 and 2,205.10

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Solution

The fourth proportional to 3,973.38, 5,483.74 and 2,205.10 is: 3,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.38 : 5,483.74 = 2,205.10 : x
  2. Step 2: Convert to fraction form
    3,973.38/5,483.74 = 2,205.10/x
  3. Step 3: Cross multiply
    3,973.38x = 5,483.74 × 2,205.10
  4. Step 4: Simplify right side
    3,973.38x = 12,092,195.07
  5. Step 5: Solve for x
    x = 12,092,195.07/3,973.38
  6. Step 6: Final answer
    x = 3,043.30

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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.