Home / 3,195.90-4,785.20-1,653.66

Finding the Fourth Proportional to 3,195.90, 4,785.20 and 1,653.66

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Solution

The fourth proportional to 3,195.90, 4,785.20 and 1,653.66 is: 2,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.90 : 4,785.20 = 1,653.66 : x
  2. Step 2: Convert to fraction form
    3,195.90/4,785.20 = 1,653.66/x
  3. Step 3: Cross multiply
    3,195.90x = 4,785.20 × 1,653.66
  4. Step 4: Simplify right side
    3,195.90x = 7,913,085.56
  5. Step 5: Solve for x
    x = 7,913,085.56/3,195.90
  6. Step 6: Final answer
    x = 2,476.01

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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.