Home / 3,206.31-4,810.95-1,357.86

Finding the Fourth Proportional to 3,206.31, 4,810.95 and 1,357.86

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Solution

The fourth proportional to 3,206.31, 4,810.95 and 1,357.86 is: 2,037.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.31 : 4,810.95 = 1,357.86 : x
  2. Step 2: Convert to fraction form
    3,206.31/4,810.95 = 1,357.86/x
  3. Step 3: Cross multiply
    3,206.31x = 4,810.95 × 1,357.86
  4. Step 4: Simplify right side
    3,206.31x = 6,532,596.57
  5. Step 5: Solve for x
    x = 6,532,596.57/3,206.31
  6. Step 6: Final answer
    x = 2,037.42

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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.