Home / 3,973.64-5,959.76-2,220.39

Finding the Fourth Proportional to 3,973.64, 5,959.76 and 2,220.39

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Solution

The fourth proportional to 3,973.64, 5,959.76 and 2,220.39 is: 3,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.64 : 5,959.76 = 2,220.39 : x
  2. Step 2: Convert to fraction form
    3,973.64/5,959.76 = 2,220.39/x
  3. Step 3: Cross multiply
    3,973.64x = 5,959.76 × 2,220.39
  4. Step 4: Simplify right side
    3,973.64x = 13,232,980.40
  5. Step 5: Solve for x
    x = 13,232,980.40/3,973.64
  6. Step 6: Final answer
    x = 3,330.20

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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.