Home / 2,836.20-4,254.27-888.42

Finding the Fourth Proportional to 2,836.20, 4,254.27 and 888.42

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Solution

The fourth proportional to 2,836.20, 4,254.27 and 888.42 is: 1,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.20 : 4,254.27 = 888.42 : x
  2. Step 2: Convert to fraction form
    2,836.20/4,254.27 = 888.42/x
  3. Step 3: Cross multiply
    2,836.20x = 4,254.27 × 888.42
  4. Step 4: Simplify right side
    2,836.20x = 3,779,578.55
  5. Step 5: Solve for x
    x = 3,779,578.55/2,836.20
  6. Step 6: Final answer
    x = 1,332.62

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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.