Home / 3,248.58-4,869.38-1,400.56

Finding the Fourth Proportional to 3,248.58, 4,869.38 and 1,400.56

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Solution

The fourth proportional to 3,248.58, 4,869.38 and 1,400.56 is: 2,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.58 : 4,869.38 = 1,400.56 : x
  2. Step 2: Convert to fraction form
    3,248.58/4,869.38 = 1,400.56/x
  3. Step 3: Cross multiply
    3,248.58x = 4,869.38 × 1,400.56
  4. Step 4: Simplify right side
    3,248.58x = 6,819,858.85
  5. Step 5: Solve for x
    x = 6,819,858.85/3,248.58
  6. Step 6: Final answer
    x = 2,099.34

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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.