Home / 3,140.96-4,714.50-1,498.64

Finding the Fourth Proportional to 3,140.96, 4,714.50 and 1,498.64

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Solution

The fourth proportional to 3,140.96, 4,714.50 and 1,498.64 is: 2,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.96 : 4,714.50 = 1,498.64 : x
  2. Step 2: Convert to fraction form
    3,140.96/4,714.50 = 1,498.64/x
  3. Step 3: Cross multiply
    3,140.96x = 4,714.50 × 1,498.64
  4. Step 4: Simplify right side
    3,140.96x = 7,065,338.28
  5. Step 5: Solve for x
    x = 7,065,338.28/3,140.96
  6. Step 6: Final answer
    x = 2,249.42

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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.