Home / 3,060.15-4,590.80-1,415.61

Finding the Fourth Proportional to 3,060.15, 4,590.80 and 1,415.61

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Solution

The fourth proportional to 3,060.15, 4,590.80 and 1,415.61 is: 2,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.15 : 4,590.80 = 1,415.61 : x
  2. Step 2: Convert to fraction form
    3,060.15/4,590.80 = 1,415.61/x
  3. Step 3: Cross multiply
    3,060.15x = 4,590.80 × 1,415.61
  4. Step 4: Simplify right side
    3,060.15x = 6,498,775.31
  5. Step 5: Solve for x
    x = 6,498,775.31/3,060.15
  6. Step 6: Final answer
    x = 2,123.68

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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.