Home / 2,299.68-3,173.99-2,159.01

Finding the Fourth Proportional to 2,299.68, 3,173.99 and 2,159.01

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Solution

The fourth proportional to 2,299.68, 3,173.99 and 2,159.01 is: 2,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.68 : 3,173.99 = 2,159.01 : x
  2. Step 2: Convert to fraction form
    2,299.68/3,173.99 = 2,159.01/x
  3. Step 3: Cross multiply
    2,299.68x = 3,173.99 × 2,159.01
  4. Step 4: Simplify right side
    2,299.68x = 6,852,665.35
  5. Step 5: Solve for x
    x = 6,852,665.35/2,299.68
  6. Step 6: Final answer
    x = 2,979.83

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1.5x scale

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.