Home / 3,014.84-4,161.65-2,931.62

Finding the Fourth Proportional to 3,014.84, 4,161.65 and 2,931.62

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Solution

The fourth proportional to 3,014.84, 4,161.65 and 2,931.62 is: 4,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.84 : 4,161.65 = 2,931.62 : x
  2. Step 2: Convert to fraction form
    3,014.84/4,161.65 = 2,931.62/x
  3. Step 3: Cross multiply
    3,014.84x = 4,161.65 × 2,931.62
  4. Step 4: Simplify right side
    3,014.84x = 12,200,340.91
  5. Step 5: Solve for x
    x = 12,200,340.91/3,014.84
  6. Step 6: Final answer
    x = 4,046.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.