Home / 2,259.72-3,390.30-1,799.28

Finding the Fourth Proportional to 2,259.72, 3,390.30 and 1,799.28

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Solution

The fourth proportional to 2,259.72, 3,390.30 and 1,799.28 is: 2,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.72 : 3,390.30 = 1,799.28 : x
  2. Step 2: Convert to fraction form
    2,259.72/3,390.30 = 1,799.28/x
  3. Step 3: Cross multiply
    2,259.72x = 3,390.30 × 1,799.28
  4. Step 4: Simplify right side
    2,259.72x = 6,100,098.98
  5. Step 5: Solve for x
    x = 6,100,098.98/2,259.72
  6. Step 6: Final answer
    x = 2,699.49

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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.