Home / 2,836.58-4,254.87-888.79

Finding the Fourth Proportional to 2,836.58, 4,254.87 and 888.79

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Solution

The fourth proportional to 2,836.58, 4,254.87 and 888.79 is: 1,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.58 : 4,254.87 = 888.79 : x
  2. Step 2: Convert to fraction form
    2,836.58/4,254.87 = 888.79/x
  3. Step 3: Cross multiply
    2,836.58x = 4,254.87 × 888.79
  4. Step 4: Simplify right side
    2,836.58x = 3,781,685.91
  5. Step 5: Solve for x
    x = 3,781,685.91/2,836.58
  6. Step 6: Final answer
    x = 1,333.19

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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.