Home / 3,099.68-4,273.80-2,156.24

Finding the Fourth Proportional to 3,099.68, 4,273.80 and 2,156.24

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Solution

The fourth proportional to 3,099.68, 4,273.80 and 2,156.24 is: 2,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.68 : 4,273.80 = 2,156.24 : x
  2. Step 2: Convert to fraction form
    3,099.68/4,273.80 = 2,156.24/x
  3. Step 3: Cross multiply
    3,099.68x = 4,273.80 × 2,156.24
  4. Step 4: Simplify right side
    3,099.68x = 9,215,338.51
  5. Step 5: Solve for x
    x = 9,215,338.51/3,099.68
  6. Step 6: Final answer
    x = 2,973.00

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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.