Home / 3,161.04-4,743.45-2,913.18

Finding the Fourth Proportional to 3,161.04, 4,743.45 and 2,913.18

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Solution

The fourth proportional to 3,161.04, 4,743.45 and 2,913.18 is: 4,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.04 : 4,743.45 = 2,913.18 : x
  2. Step 2: Convert to fraction form
    3,161.04/4,743.45 = 2,913.18/x
  3. Step 3: Cross multiply
    3,161.04x = 4,743.45 × 2,913.18
  4. Step 4: Simplify right side
    3,161.04x = 13,818,523.67
  5. Step 5: Solve for x
    x = 13,818,523.67/3,161.04
  6. Step 6: Final answer
    x = 4,371.51

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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.