Home / 3,098.04-4,273.88-2,156.08

Finding the Fourth Proportional to 3,098.04, 4,273.88 and 2,156.08

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Solution

The fourth proportional to 3,098.04, 4,273.88 and 2,156.08 is: 2,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.04 : 4,273.88 = 2,156.08 : x
  2. Step 2: Convert to fraction form
    3,098.04/4,273.88 = 2,156.08/x
  3. Step 3: Cross multiply
    3,098.04x = 4,273.88 × 2,156.08
  4. Step 4: Simplify right side
    3,098.04x = 9,214,827.19
  5. Step 5: Solve for x
    x = 9,214,827.19/3,098.04
  6. Step 6: Final answer
    x = 2,974.41

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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.