Home / 2,232.06-3,076.80-1,838.40

Finding the Fourth Proportional to 2,232.06, 3,076.80 and 1,838.40

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Solution

The fourth proportional to 2,232.06, 3,076.80 and 1,838.40 is: 2,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.06 : 3,076.80 = 1,838.40 : x
  2. Step 2: Convert to fraction form
    2,232.06/3,076.80 = 1,838.40/x
  3. Step 3: Cross multiply
    2,232.06x = 3,076.80 × 1,838.40
  4. Step 4: Simplify right side
    2,232.06x = 5,656,389.12
  5. Step 5: Solve for x
    x = 5,656,389.12/2,232.06
  6. Step 6: Final answer
    x = 2,534.16

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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.