Home / 3,339.42-5,009.82-1,259.40

Finding the Fourth Proportional to 3,339.42, 5,009.82 and 1,259.40

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Solution

The fourth proportional to 3,339.42, 5,009.82 and 1,259.40 is: 1,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.42 : 5,009.82 = 1,259.40 : x
  2. Step 2: Convert to fraction form
    3,339.42/5,009.82 = 1,259.40/x
  3. Step 3: Cross multiply
    3,339.42x = 5,009.82 × 1,259.40
  4. Step 4: Simplify right side
    3,339.42x = 6,309,367.31
  5. Step 5: Solve for x
    x = 6,309,367.31/3,339.42
  6. Step 6: Final answer
    x = 1,889.36

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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.