Home / 3,438.24-5,152.20-2,380.38

Finding the Fourth Proportional to 3,438.24, 5,152.20 and 2,380.38

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Solution

The fourth proportional to 3,438.24, 5,152.20 and 2,380.38 is: 3,567.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.24 : 5,152.20 = 2,380.38 : x
  2. Step 2: Convert to fraction form
    3,438.24/5,152.20 = 2,380.38/x
  3. Step 3: Cross multiply
    3,438.24x = 5,152.20 × 2,380.38
  4. Step 4: Simplify right side
    3,438.24x = 12,264,193.84
  5. Step 5: Solve for x
    x = 12,264,193.84/3,438.24
  6. Step 6: Final answer
    x = 3,567.00

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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.