Home / 2,945.25-4,064.27-1,618.83

Finding the Fourth Proportional to 2,945.25, 4,064.27 and 1,618.83

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Solution

The fourth proportional to 2,945.25, 4,064.27 and 1,618.83 is: 2,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.25 : 4,064.27 = 1,618.83 : x
  2. Step 2: Convert to fraction form
    2,945.25/4,064.27 = 1,618.83/x
  3. Step 3: Cross multiply
    2,945.25x = 4,064.27 × 1,618.83
  4. Step 4: Simplify right side
    2,945.25x = 6,579,354.11
  5. Step 5: Solve for x
    x = 6,579,354.11/2,945.25
  6. Step 6: Final answer
    x = 2,233.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.