Home / 2,841.45-3,921.20-1,599.45

Finding the Fourth Proportional to 2,841.45, 3,921.20 and 1,599.45

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Solution

The fourth proportional to 2,841.45, 3,921.20 and 1,599.45 is: 2,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.45 : 3,921.20 = 1,599.45 : x
  2. Step 2: Convert to fraction form
    2,841.45/3,921.20 = 1,599.45/x
  3. Step 3: Cross multiply
    2,841.45x = 3,921.20 × 1,599.45
  4. Step 4: Simplify right side
    2,841.45x = 6,271,763.34
  5. Step 5: Solve for x
    x = 6,271,763.34/2,841.45
  6. Step 6: Final answer
    x = 2,207.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.