Home / 2,718.12-4,076.22-1,178.28

Finding the Fourth Proportional to 2,718.12, 4,076.22 and 1,178.28

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Solution

The fourth proportional to 2,718.12, 4,076.22 and 1,178.28 is: 1,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.12 : 4,076.22 = 1,178.28 : x
  2. Step 2: Convert to fraction form
    2,718.12/4,076.22 = 1,178.28/x
  3. Step 3: Cross multiply
    2,718.12x = 4,076.22 × 1,178.28
  4. Step 4: Simplify right side
    2,718.12x = 4,802,928.50
  5. Step 5: Solve for x
    x = 4,802,928.50/2,718.12
  6. Step 6: Final answer
    x = 1,767.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.