Home / 3,340.61-5,014.68-2,108.72

Finding the Fourth Proportional to 3,340.61, 5,014.68 and 2,108.72

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Solution

The fourth proportional to 3,340.61, 5,014.68 and 2,108.72 is: 3,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.61 : 5,014.68 = 2,108.72 : x
  2. Step 2: Convert to fraction form
    3,340.61/5,014.68 = 2,108.72/x
  3. Step 3: Cross multiply
    3,340.61x = 5,014.68 × 2,108.72
  4. Step 4: Simplify right side
    3,340.61x = 10,574,520.39
  5. Step 5: Solve for x
    x = 10,574,520.39/3,340.61
  6. Step 6: Final answer
    x = 3,165.45

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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.