Home / 3,053.45-4,215.77-1,876.54

Finding the Fourth Proportional to 3,053.45, 4,215.77 and 1,876.54

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Solution

The fourth proportional to 3,053.45, 4,215.77 and 1,876.54 is: 2,590.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.45 : 4,215.77 = 1,876.54 : x
  2. Step 2: Convert to fraction form
    3,053.45/4,215.77 = 1,876.54/x
  3. Step 3: Cross multiply
    3,053.45x = 4,215.77 × 1,876.54
  4. Step 4: Simplify right side
    3,053.45x = 7,911,061.04
  5. Step 5: Solve for x
    x = 7,911,061.04/3,053.45
  6. Step 6: Final answer
    x = 2,590.86

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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.