Home / 3,488.86-4,816.50-2,690.44

Finding the Fourth Proportional to 3,488.86, 4,816.50 and 2,690.44

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Solution

The fourth proportional to 3,488.86, 4,816.50 and 2,690.44 is: 3,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.86 : 4,816.50 = 2,690.44 : x
  2. Step 2: Convert to fraction form
    3,488.86/4,816.50 = 2,690.44/x
  3. Step 3: Cross multiply
    3,488.86x = 4,816.50 × 2,690.44
  4. Step 4: Simplify right side
    3,488.86x = 12,958,504.26
  5. Step 5: Solve for x
    x = 12,958,504.26/3,488.86
  6. Step 6: Final answer
    x = 3,714.25

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1.5x scale

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.