Home / 3,098.04-4,275.74-2,153.31

Finding the Fourth Proportional to 3,098.04, 4,275.74 and 2,153.31

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Solution

The fourth proportional to 3,098.04, 4,275.74 and 2,153.31 is: 2,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.04 : 4,275.74 = 2,153.31 : x
  2. Step 2: Convert to fraction form
    3,098.04/4,275.74 = 2,153.31/x
  3. Step 3: Cross multiply
    3,098.04x = 4,275.74 × 2,153.31
  4. Step 4: Simplify right side
    3,098.04x = 9,206,982.93
  5. Step 5: Solve for x
    x = 9,206,982.93/3,098.04
  6. Step 6: Final answer
    x = 2,971.87

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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.