Home / 2,291.13-3,153.06-2,192.73

Finding the Fourth Proportional to 2,291.13, 3,153.06 and 2,192.73

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Solution

The fourth proportional to 2,291.13, 3,153.06 and 2,192.73 is: 3,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.13 : 3,153.06 = 2,192.73 : x
  2. Step 2: Convert to fraction form
    2,291.13/3,153.06 = 2,192.73/x
  3. Step 3: Cross multiply
    2,291.13x = 3,153.06 × 2,192.73
  4. Step 4: Simplify right side
    2,291.13x = 6,913,809.25
  5. Step 5: Solve for x
    x = 6,913,809.25/2,291.13
  6. Step 6: Final answer
    x = 3,017.64

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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.