Home / 3,973.77-5,483.90-2,205.47

Finding the Fourth Proportional to 3,973.77, 5,483.90 and 2,205.47

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Solution

The fourth proportional to 3,973.77, 5,483.90 and 2,205.47 is: 3,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.77 : 5,483.90 = 2,205.47 : x
  2. Step 2: Convert to fraction form
    3,973.77/5,483.90 = 2,205.47/x
  3. Step 3: Cross multiply
    3,973.77x = 5,483.90 × 2,205.47
  4. Step 4: Simplify right side
    3,973.77x = 12,094,579.62
  5. Step 5: Solve for x
    x = 12,094,579.62/3,973.77
  6. Step 6: Final answer
    x = 3,043.60

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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.