Home / 2,599.20-3,891.15-1,622.34

Finding the Fourth Proportional to 2,599.20, 3,891.15 and 1,622.34

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Solution

The fourth proportional to 2,599.20, 3,891.15 and 1,622.34 is: 2,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.20 : 3,891.15 = 1,622.34 : x
  2. Step 2: Convert to fraction form
    2,599.20/3,891.15 = 1,622.34/x
  3. Step 3: Cross multiply
    2,599.20x = 3,891.15 × 1,622.34
  4. Step 4: Simplify right side
    2,599.20x = 6,312,768.29
  5. Step 5: Solve for x
    x = 6,312,768.29/2,599.20
  6. Step 6: Final answer
    x = 2,428.74

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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.