Home / 3,390.26-5,103.40-2,889.14

Finding the Fourth Proportional to 3,390.26, 5,103.40 and 2,889.14

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Solution

The fourth proportional to 3,390.26, 5,103.40 and 2,889.14 is: 4,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.26 : 5,103.40 = 2,889.14 : x
  2. Step 2: Convert to fraction form
    3,390.26/5,103.40 = 2,889.14/x
  3. Step 3: Cross multiply
    3,390.26x = 5,103.40 × 2,889.14
  4. Step 4: Simplify right side
    3,390.26x = 14,744,422.63
  5. Step 5: Solve for x
    x = 14,744,422.63/3,390.26
  6. Step 6: Final answer
    x = 4,349.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.