Home / 3,169.18-4,372.40-2,051.53

Finding the Fourth Proportional to 3,169.18, 4,372.40 and 2,051.53

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Solution

The fourth proportional to 3,169.18, 4,372.40 and 2,051.53 is: 2,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.18 : 4,372.40 = 2,051.53 : x
  2. Step 2: Convert to fraction form
    3,169.18/4,372.40 = 2,051.53/x
  3. Step 3: Cross multiply
    3,169.18x = 4,372.40 × 2,051.53
  4. Step 4: Simplify right side
    3,169.18x = 8,970,109.77
  5. Step 5: Solve for x
    x = 8,970,109.77/3,169.18
  6. Step 6: Final answer
    x = 2,830.42

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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.