Home / 2,399.08-3,592.81-1,985.17

Finding the Fourth Proportional to 2,399.08, 3,592.81 and 1,985.17

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Solution

The fourth proportional to 2,399.08, 3,592.81 and 1,985.17 is: 2,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.08 : 3,592.81 = 1,985.17 : x
  2. Step 2: Convert to fraction form
    2,399.08/3,592.81 = 1,985.17/x
  3. Step 3: Cross multiply
    2,399.08x = 3,592.81 × 1,985.17
  4. Step 4: Simplify right side
    2,399.08x = 7,132,338.63
  5. Step 5: Solve for x
    x = 7,132,338.63/2,399.08
  6. Step 6: Final answer
    x = 2,972.95

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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.