Home / 2,232.78-3,085.08-2,153.94

Finding the Fourth Proportional to 2,232.78, 3,085.08 and 2,153.94

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Solution

The fourth proportional to 2,232.78, 3,085.08 and 2,153.94 is: 2,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.78 : 3,085.08 = 2,153.94 : x
  2. Step 2: Convert to fraction form
    2,232.78/3,085.08 = 2,153.94/x
  3. Step 3: Cross multiply
    2,232.78x = 3,085.08 × 2,153.94
  4. Step 4: Simplify right side
    2,232.78x = 6,645,077.22
  5. Step 5: Solve for x
    x = 6,645,077.22/2,232.78
  6. Step 6: Final answer
    x = 2,976.15

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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.