Home / 3,965.60-5,946.60-1,499.60

Finding the Fourth Proportional to 3,965.60, 5,946.60 and 1,499.60

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Solution

The fourth proportional to 3,965.60, 5,946.60 and 1,499.60 is: 2,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.60 : 5,946.60 = 1,499.60 : x
  2. Step 2: Convert to fraction form
    3,965.60/5,946.60 = 1,499.60/x
  3. Step 3: Cross multiply
    3,965.60x = 5,946.60 × 1,499.60
  4. Step 4: Simplify right side
    3,965.60x = 8,917,521.36
  5. Step 5: Solve for x
    x = 8,917,521.36/3,965.60
  6. Step 6: Final answer
    x = 2,248.72

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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.