Home / 3,611.14-5,420.35-2,572.31

Finding the Fourth Proportional to 3,611.14, 5,420.35 and 2,572.31

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Solution

The fourth proportional to 3,611.14, 5,420.35 and 2,572.31 is: 3,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.14 : 5,420.35 = 2,572.31 : x
  2. Step 2: Convert to fraction form
    3,611.14/5,420.35 = 2,572.31/x
  3. Step 3: Cross multiply
    3,611.14x = 5,420.35 × 2,572.31
  4. Step 4: Simplify right side
    3,611.14x = 13,942,820.51
  5. Step 5: Solve for x
    x = 13,942,820.51/3,611.14
  6. Step 6: Final answer
    x = 3,861.06

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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.