Home / 3,409.74-5,111.88-3,136.38

Finding the Fourth Proportional to 3,409.74, 5,111.88 and 3,136.38

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Solution

The fourth proportional to 3,409.74, 5,111.88 and 3,136.38 is: 4,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.74 : 5,111.88 = 3,136.38 : x
  2. Step 2: Convert to fraction form
    3,409.74/5,111.88 = 3,136.38/x
  3. Step 3: Cross multiply
    3,409.74x = 5,111.88 × 3,136.38
  4. Step 4: Simplify right side
    3,409.74x = 16,032,798.19
  5. Step 5: Solve for x
    x = 16,032,798.19/3,409.74
  6. Step 6: Final answer
    x = 4,702.06

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1.5x scale

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.