Home / 2,851.64-4,257.03-2,725.56

Finding the Fourth Proportional to 2,851.64, 4,257.03 and 2,725.56

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Solution

The fourth proportional to 2,851.64, 4,257.03 and 2,725.56 is: 4,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.64 : 4,257.03 = 2,725.56 : x
  2. Step 2: Convert to fraction form
    2,851.64/4,257.03 = 2,725.56/x
  3. Step 3: Cross multiply
    2,851.64x = 4,257.03 × 2,725.56
  4. Step 4: Simplify right side
    2,851.64x = 11,602,790.69
  5. Step 5: Solve for x
    x = 11,602,790.69/2,851.64
  6. Step 6: Final answer
    x = 4,068.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.