Home / 3,106.28-4,658.45-2,612.85

Finding the Fourth Proportional to 3,106.28, 4,658.45 and 2,612.85

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Solution

The fourth proportional to 3,106.28, 4,658.45 and 2,612.85 is: 3,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.28 : 4,658.45 = 2,612.85 : x
  2. Step 2: Convert to fraction form
    3,106.28/4,658.45 = 2,612.85/x
  3. Step 3: Cross multiply
    3,106.28x = 4,658.45 × 2,612.85
  4. Step 4: Simplify right side
    3,106.28x = 12,171,818.02
  5. Step 5: Solve for x
    x = 12,171,818.02/3,106.28
  6. Step 6: Final answer
    x = 3,918.46

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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.