Home / 1,581.69-2,370.09-1,234.20

Finding the Fourth Proportional to 1,581.69, 2,370.09 and 1,234.20

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Solution

The fourth proportional to 1,581.69, 2,370.09 and 1,234.20 is: 1,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581.69 : 2,370.09 = 1,234.20 : x
  2. Step 2: Convert to fraction form
    1,581.69/2,370.09 = 1,234.20/x
  3. Step 3: Cross multiply
    1,581.69x = 2,370.09 × 1,234.20
  4. Step 4: Simplify right side
    1,581.69x = 2,925,165.08
  5. Step 5: Solve for x
    x = 2,925,165.08/1,581.69
  6. Step 6: Final answer
    x = 1,849.39

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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.