Home / 3,150.45-4,348.04-1,806.59

Finding the Fourth Proportional to 3,150.45, 4,348.04 and 1,806.59

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Solution

The fourth proportional to 3,150.45, 4,348.04 and 1,806.59 is: 2,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.45 : 4,348.04 = 1,806.59 : x
  2. Step 2: Convert to fraction form
    3,150.45/4,348.04 = 1,806.59/x
  3. Step 3: Cross multiply
    3,150.45x = 4,348.04 × 1,806.59
  4. Step 4: Simplify right side
    3,150.45x = 7,855,094.81
  5. Step 5: Solve for x
    x = 7,855,094.81/3,150.45
  6. Step 6: Final answer
    x = 2,493.32

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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.