Home / 2,901.91-4,005.62-2,017.75

Finding the Fourth Proportional to 2,901.91, 4,005.62 and 2,017.75

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Solution

The fourth proportional to 2,901.91, 4,005.62 and 2,017.75 is: 2,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.91 : 4,005.62 = 2,017.75 : x
  2. Step 2: Convert to fraction form
    2,901.91/4,005.62 = 2,017.75/x
  3. Step 3: Cross multiply
    2,901.91x = 4,005.62 × 2,017.75
  4. Step 4: Simplify right side
    2,901.91x = 8,082,339.76
  5. Step 5: Solve for x
    x = 8,082,339.76/2,901.91
  6. Step 6: Final answer
    x = 2,785.18

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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.