Home / 2,945.18-4,064.24-1,618.81

Finding the Fourth Proportional to 2,945.18, 4,064.24 and 1,618.81

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Solution

The fourth proportional to 2,945.18, 4,064.24 and 1,618.81 is: 2,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.18 : 4,064.24 = 1,618.81 : x
  2. Step 2: Convert to fraction form
    2,945.18/4,064.24 = 1,618.81/x
  3. Step 3: Cross multiply
    2,945.18x = 4,064.24 × 1,618.81
  4. Step 4: Simplify right side
    2,945.18x = 6,579,226.24
  5. Step 5: Solve for x
    x = 6,579,226.24/2,945.18
  6. Step 6: Final answer
    x = 2,233.89

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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.