Home / 3,420.24-5,124.74-1,444.25

Finding the Fourth Proportional to 3,420.24, 5,124.74 and 1,444.25

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Solution

The fourth proportional to 3,420.24, 5,124.74 and 1,444.25 is: 2,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.24 : 5,124.74 = 1,444.25 : x
  2. Step 2: Convert to fraction form
    3,420.24/5,124.74 = 1,444.25/x
  3. Step 3: Cross multiply
    3,420.24x = 5,124.74 × 1,444.25
  4. Step 4: Simplify right side
    3,420.24x = 7,401,372.90
  5. Step 5: Solve for x
    x = 7,401,372.90/3,420.24
  6. Step 6: Final answer
    x = 2,163.99

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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.