Home / 4,151.82-6,230.22-1,686.45

Finding the Fourth Proportional to 4,151.82, 6,230.22 and 1,686.45

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Solution

The fourth proportional to 4,151.82, 6,230.22 and 1,686.45 is: 2,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.82 : 6,230.22 = 1,686.45 : x
  2. Step 2: Convert to fraction form
    4,151.82/6,230.22 = 1,686.45/x
  3. Step 3: Cross multiply
    4,151.82x = 6,230.22 × 1,686.45
  4. Step 4: Simplify right side
    4,151.82x = 10,506,954.52
  5. Step 5: Solve for x
    x = 10,506,954.52/4,151.82
  6. Step 6: Final answer
    x = 2,530.69

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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.