Home / 3,814.95-5,264.94-2,136.42

Finding the Fourth Proportional to 3,814.95, 5,264.94 and 2,136.42

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Solution

The fourth proportional to 3,814.95, 5,264.94 and 2,136.42 is: 2,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.95 : 5,264.94 = 2,136.42 : x
  2. Step 2: Convert to fraction form
    3,814.95/5,264.94 = 2,136.42/x
  3. Step 3: Cross multiply
    3,814.95x = 5,264.94 × 2,136.42
  4. Step 4: Simplify right side
    3,814.95x = 11,248,123.11
  5. Step 5: Solve for x
    x = 11,248,123.11/3,814.95
  6. Step 6: Final answer
    x = 2,948.43

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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.