Home / 3,342.50-5,012.37-1,261.46

Finding the Fourth Proportional to 3,342.50, 5,012.37 and 1,261.46

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Solution

The fourth proportional to 3,342.50, 5,012.37 and 1,261.46 is: 1,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.50 : 5,012.37 = 1,261.46 : x
  2. Step 2: Convert to fraction form
    3,342.50/5,012.37 = 1,261.46/x
  3. Step 3: Cross multiply
    3,342.50x = 5,012.37 × 1,261.46
  4. Step 4: Simplify right side
    3,342.50x = 6,322,904.26
  5. Step 5: Solve for x
    x = 6,322,904.26/3,342.50
  6. Step 6: Final answer
    x = 1,891.67

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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.