Home / 3,148.61-4,714.67-2,106.95

Finding the Fourth Proportional to 3,148.61, 4,714.67 and 2,106.95

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Solution

The fourth proportional to 3,148.61, 4,714.67 and 2,106.95 is: 3,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.61 : 4,714.67 = 2,106.95 : x
  2. Step 2: Convert to fraction form
    3,148.61/4,714.67 = 2,106.95/x
  3. Step 3: Cross multiply
    3,148.61x = 4,714.67 × 2,106.95
  4. Step 4: Simplify right side
    3,148.61x = 9,933,555.65
  5. Step 5: Solve for x
    x = 9,933,555.65/3,148.61
  6. Step 6: Final answer
    x = 3,154.91

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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.