Home / 1,841.20-2,762.70-1,402.30

Finding the Fourth Proportional to 1,841.20, 2,762.70 and 1,402.30

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Solution

The fourth proportional to 1,841.20, 2,762.70 and 1,402.30 is: 2,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.20 : 2,762.70 = 1,402.30 : x
  2. Step 2: Convert to fraction form
    1,841.20/2,762.70 = 1,402.30/x
  3. Step 3: Cross multiply
    1,841.20x = 2,762.70 × 1,402.30
  4. Step 4: Simplify right side
    1,841.20x = 3,874,134.21
  5. Step 5: Solve for x
    x = 3,874,134.21/1,841.20
  6. Step 6: Final answer
    x = 2,104.14

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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.