Home / 3,051.80-4,216.38-2,818.52

Finding the Fourth Proportional to 3,051.80, 4,216.38 and 2,818.52

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Solution

The fourth proportional to 3,051.80, 4,216.38 and 2,818.52 is: 3,894.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.80 : 4,216.38 = 2,818.52 : x
  2. Step 2: Convert to fraction form
    3,051.80/4,216.38 = 2,818.52/x
  3. Step 3: Cross multiply
    3,051.80x = 4,216.38 × 2,818.52
  4. Step 4: Simplify right side
    3,051.80x = 11,883,951.36
  5. Step 5: Solve for x
    x = 11,883,951.36/3,051.80
  6. Step 6: Final answer
    x = 3,894.08

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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.