Home / 3,136.53-4,327.95-1,877.32

Finding the Fourth Proportional to 3,136.53, 4,327.95 and 1,877.32

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Solution

The fourth proportional to 3,136.53, 4,327.95 and 1,877.32 is: 2,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.53 : 4,327.95 = 1,877.32 : x
  2. Step 2: Convert to fraction form
    3,136.53/4,327.95 = 1,877.32/x
  3. Step 3: Cross multiply
    3,136.53x = 4,327.95 × 1,877.32
  4. Step 4: Simplify right side
    3,136.53x = 8,124,942.15
  5. Step 5: Solve for x
    x = 8,124,942.15/3,136.53
  6. Step 6: Final answer
    x = 2,590.42

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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.