Home / 3,814.65-5,264.34-2,136.12

Finding the Fourth Proportional to 3,814.65, 5,264.34 and 2,136.12

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Solution

The fourth proportional to 3,814.65, 5,264.34 and 2,136.12 is: 2,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.65 : 5,264.34 = 2,136.12 : x
  2. Step 2: Convert to fraction form
    3,814.65/5,264.34 = 2,136.12/x
  3. Step 3: Cross multiply
    3,814.65x = 5,264.34 × 2,136.12
  4. Step 4: Simplify right side
    3,814.65x = 11,245,261.96
  5. Step 5: Solve for x
    x = 11,245,261.96/3,814.65
  6. Step 6: Final answer
    x = 2,947.91

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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.