Home / 2,886.06-4,329.39-1,423.80

Finding the Fourth Proportional to 2,886.06, 4,329.39 and 1,423.80

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Solution

The fourth proportional to 2,886.06, 4,329.39 and 1,423.80 is: 2,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.06 : 4,329.39 = 1,423.80 : x
  2. Step 2: Convert to fraction form
    2,886.06/4,329.39 = 1,423.80/x
  3. Step 3: Cross multiply
    2,886.06x = 4,329.39 × 1,423.80
  4. Step 4: Simplify right side
    2,886.06x = 6,164,185.48
  5. Step 5: Solve for x
    x = 6,164,185.48/2,886.06
  6. Step 6: Final answer
    x = 2,135.85

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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.