Home / 3,388.92-4,677.60-1,973.76

Finding the Fourth Proportional to 3,388.92, 4,677.60 and 1,973.76

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Solution

The fourth proportional to 3,388.92, 4,677.60 and 1,973.76 is: 2,724.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.92 : 4,677.60 = 1,973.76 : x
  2. Step 2: Convert to fraction form
    3,388.92/4,677.60 = 1,973.76/x
  3. Step 3: Cross multiply
    3,388.92x = 4,677.60 × 1,973.76
  4. Step 4: Simplify right side
    3,388.92x = 9,232,459.78
  5. Step 5: Solve for x
    x = 9,232,459.78/3,388.92
  6. Step 6: Final answer
    x = 2,724.31

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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.