Home / 2,819.07-4,231.08-1,088.91

Finding the Fourth Proportional to 2,819.07, 4,231.08 and 1,088.91

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Solution

The fourth proportional to 2,819.07, 4,231.08 and 1,088.91 is: 1,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.07 : 4,231.08 = 1,088.91 : x
  2. Step 2: Convert to fraction form
    2,819.07/4,231.08 = 1,088.91/x
  3. Step 3: Cross multiply
    2,819.07x = 4,231.08 × 1,088.91
  4. Step 4: Simplify right side
    2,819.07x = 4,607,265.32
  5. Step 5: Solve for x
    x = 4,607,265.32/2,819.07
  6. Step 6: Final answer
    x = 1,634.32

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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.