Home / 2,417.08-3,629.94-1,979.17

Finding the Fourth Proportional to 2,417.08, 3,629.94 and 1,979.17

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Solution

The fourth proportional to 2,417.08, 3,629.94 and 1,979.17 is: 2,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.08 : 3,629.94 = 1,979.17 : x
  2. Step 2: Convert to fraction form
    2,417.08/3,629.94 = 1,979.17/x
  3. Step 3: Cross multiply
    2,417.08x = 3,629.94 × 1,979.17
  4. Step 4: Simplify right side
    2,417.08x = 7,184,254.99
  5. Step 5: Solve for x
    x = 7,184,254.99/2,417.08
  6. Step 6: Final answer
    x = 2,972.29

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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.