Home / 3,507.40-5,264.29-1,865.33

Finding the Fourth Proportional to 3,507.40, 5,264.29 and 1,865.33

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Solution

The fourth proportional to 3,507.40, 5,264.29 and 1,865.33 is: 2,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.40 : 5,264.29 = 1,865.33 : x
  2. Step 2: Convert to fraction form
    3,507.40/5,264.29 = 1,865.33/x
  3. Step 3: Cross multiply
    3,507.40x = 5,264.29 × 1,865.33
  4. Step 4: Simplify right side
    3,507.40x = 9,819,633.82
  5. Step 5: Solve for x
    x = 9,819,633.82/3,507.40
  6. Step 6: Final answer
    x = 2,799.69

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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.