Home / 2,886.20-4,329.65-1,131.23

Finding the Fourth Proportional to 2,886.20, 4,329.65 and 1,131.23

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Solution

The fourth proportional to 2,886.20, 4,329.65 and 1,131.23 is: 1,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.20 : 4,329.65 = 1,131.23 : x
  2. Step 2: Convert to fraction form
    2,886.20/4,329.65 = 1,131.23/x
  3. Step 3: Cross multiply
    2,886.20x = 4,329.65 × 1,131.23
  4. Step 4: Simplify right side
    2,886.20x = 4,897,829.97
  5. Step 5: Solve for x
    x = 4,897,829.97/2,886.20
  6. Step 6: Final answer
    x = 1,696.98

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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.