Home / 3,357.70-5,014.59-2,858.79

Finding the Fourth Proportional to 3,357.70, 5,014.59 and 2,858.79

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Solution

The fourth proportional to 3,357.70, 5,014.59 and 2,858.79 is: 4,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.70 : 5,014.59 = 2,858.79 : x
  2. Step 2: Convert to fraction form
    3,357.70/5,014.59 = 2,858.79/x
  3. Step 3: Cross multiply
    3,357.70x = 5,014.59 × 2,858.79
  4. Step 4: Simplify right side
    3,357.70x = 14,335,659.75
  5. Step 5: Solve for x
    x = 14,335,659.75/3,357.70
  6. Step 6: Final answer
    x = 4,269.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.