Home / 3,249.90-4,875.18-1,400.64

Finding the Fourth Proportional to 3,249.90, 4,875.18 and 1,400.64

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Solution

The fourth proportional to 3,249.90, 4,875.18 and 1,400.64 is: 2,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.90 : 4,875.18 = 1,400.64 : x
  2. Step 2: Convert to fraction form
    3,249.90/4,875.18 = 1,400.64/x
  3. Step 3: Cross multiply
    3,249.90x = 4,875.18 × 1,400.64
  4. Step 4: Simplify right side
    3,249.90x = 6,828,372.12
  5. Step 5: Solve for x
    x = 6,828,372.12/3,249.90
  6. Step 6: Final answer
    x = 2,101.10

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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.