Home / 2,857.18-4,284.96-1,101.91

Finding the Fourth Proportional to 2,857.18, 4,284.96 and 1,101.91

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Solution

The fourth proportional to 2,857.18, 4,284.96 and 1,101.91 is: 1,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.18 : 4,284.96 = 1,101.91 : x
  2. Step 2: Convert to fraction form
    2,857.18/4,284.96 = 1,101.91/x
  3. Step 3: Cross multiply
    2,857.18x = 4,284.96 × 1,101.91
  4. Step 4: Simplify right side
    2,857.18x = 4,721,640.27
  5. Step 5: Solve for x
    x = 4,721,640.27/2,857.18
  6. Step 6: Final answer
    x = 1,652.55

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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.