Home / 4,112.64-5,680.29-2,784.03

Finding the Fourth Proportional to 4,112.64, 5,680.29 and 2,784.03

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Solution

The fourth proportional to 4,112.64, 5,680.29 and 2,784.03 is: 3,845.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.64 : 5,680.29 = 2,784.03 : x
  2. Step 2: Convert to fraction form
    4,112.64/5,680.29 = 2,784.03/x
  3. Step 3: Cross multiply
    4,112.64x = 5,680.29 × 2,784.03
  4. Step 4: Simplify right side
    4,112.64x = 15,814,097.77
  5. Step 5: Solve for x
    x = 15,814,097.77/4,112.64
  6. Step 6: Final answer
    x = 3,845.24

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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.