Home / 2,945.19-4,064.41-1,618.93

Finding the Fourth Proportional to 2,945.19, 4,064.41 and 1,618.93

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Solution

The fourth proportional to 2,945.19, 4,064.41 and 1,618.93 is: 2,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.19 : 4,064.41 = 1,618.93 : x
  2. Step 2: Convert to fraction form
    2,945.19/4,064.41 = 1,618.93/x
  3. Step 3: Cross multiply
    2,945.19x = 4,064.41 × 1,618.93
  4. Step 4: Simplify right side
    2,945.19x = 6,579,973.45
  5. Step 5: Solve for x
    x = 6,579,973.45/2,945.19
  6. Step 6: Final answer
    x = 2,234.14

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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.