Home / 3,125.40-4,313.88-1,799.26

Finding the Fourth Proportional to 3,125.40, 4,313.88 and 1,799.26

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Solution

The fourth proportional to 3,125.40, 4,313.88 and 1,799.26 is: 2,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.40 : 4,313.88 = 1,799.26 : x
  2. Step 2: Convert to fraction form
    3,125.40/4,313.88 = 1,799.26/x
  3. Step 3: Cross multiply
    3,125.40x = 4,313.88 × 1,799.26
  4. Step 4: Simplify right side
    3,125.40x = 7,761,791.73
  5. Step 5: Solve for x
    x = 7,761,791.73/3,125.40
  6. Step 6: Final answer
    x = 2,483.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.