Home / 2,299.50-3,173.31-1,368

Finding the Fourth Proportional to 2,299.50, 3,173.31 and 1,368

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Solution

The fourth proportional to 2,299.50, 3,173.31 and 1,368 is: 1,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.50 : 3,173.31 = 1,368 : x
  2. Step 2: Convert to fraction form
    2,299.50/3,173.31 = 1,368/x
  3. Step 3: Cross multiply
    2,299.50x = 3,173.31 × 1,368
  4. Step 4: Simplify right side
    2,299.50x = 4,341,088.08
  5. Step 5: Solve for x
    x = 4,341,088.08/2,299.50
  6. Step 6: Final answer
    x = 1,887.84

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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.