Home / 2,986.45-4,476.27-1,424.23

Finding the Fourth Proportional to 2,986.45, 4,476.27 and 1,424.23

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Solution

The fourth proportional to 2,986.45, 4,476.27 and 1,424.23 is: 2,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.45 : 4,476.27 = 1,424.23 : x
  2. Step 2: Convert to fraction form
    2,986.45/4,476.27 = 1,424.23/x
  3. Step 3: Cross multiply
    2,986.45x = 4,476.27 × 1,424.23
  4. Step 4: Simplify right side
    2,986.45x = 6,375,238.02
  5. Step 5: Solve for x
    x = 6,375,238.02/2,986.45
  6. Step 6: Final answer
    x = 2,134.72

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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.