Home / 1,841.40-2,760.30-1,622.70

Finding the Fourth Proportional to 1,841.40, 2,760.30 and 1,622.70

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Solution

The fourth proportional to 1,841.40, 2,760.30 and 1,622.70 is: 2,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.40 : 2,760.30 = 1,622.70 : x
  2. Step 2: Convert to fraction form
    1,841.40/2,760.30 = 1,622.70/x
  3. Step 3: Cross multiply
    1,841.40x = 2,760.30 × 1,622.70
  4. Step 4: Simplify right side
    1,841.40x = 4,479,138.81
  5. Step 5: Solve for x
    x = 4,479,138.81/1,841.40
  6. Step 6: Final answer
    x = 2,432.46

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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.