Home / 2,960.55-4,438.80-1,401.30

Finding the Fourth Proportional to 2,960.55, 4,438.80 and 1,401.30

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Solution

The fourth proportional to 2,960.55, 4,438.80 and 1,401.30 is: 2,100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.55 : 4,438.80 = 1,401.30 : x
  2. Step 2: Convert to fraction form
    2,960.55/4,438.80 = 1,401.30/x
  3. Step 3: Cross multiply
    2,960.55x = 4,438.80 × 1,401.30
  4. Step 4: Simplify right side
    2,960.55x = 6,220,090.44
  5. Step 5: Solve for x
    x = 6,220,090.44/2,960.55
  6. Step 6: Final answer
    x = 2,100.99

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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.