Home / 1,579.18-2,370.82-1,214.22

Finding the Fourth Proportional to 1,579.18, 2,370.82 and 1,214.22

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Solution

The fourth proportional to 1,579.18, 2,370.82 and 1,214.22 is: 1,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.18 : 2,370.82 = 1,214.22 : x
  2. Step 2: Convert to fraction form
    1,579.18/2,370.82 = 1,214.22/x
  3. Step 3: Cross multiply
    1,579.18x = 2,370.82 × 1,214.22
  4. Step 4: Simplify right side
    1,579.18x = 2,878,707.47
  5. Step 5: Solve for x
    x = 2,878,707.47/1,579.18
  6. Step 6: Final answer
    x = 1,822.91

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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.