Home / 3,202.48-4,419.78-1,877.31

Finding the Fourth Proportional to 3,202.48, 4,419.78 and 1,877.31

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Solution

The fourth proportional to 3,202.48, 4,419.78 and 1,877.31 is: 2,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.48 : 4,419.78 = 1,877.31 : x
  2. Step 2: Convert to fraction form
    3,202.48/4,419.78 = 1,877.31/x
  3. Step 3: Cross multiply
    3,202.48x = 4,419.78 × 1,877.31
  4. Step 4: Simplify right side
    3,202.48x = 8,297,297.19
  5. Step 5: Solve for x
    x = 8,297,297.19/3,202.48
  6. Step 6: Final answer
    x = 2,590.90

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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.