Home / 3,815.01-5,264.98-2,136.57

Finding the Fourth Proportional to 3,815.01, 5,264.98 and 2,136.57

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Solution

The fourth proportional to 3,815.01, 5,264.98 and 2,136.57 is: 2,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.01 : 5,264.98 = 2,136.57 : x
  2. Step 2: Convert to fraction form
    3,815.01/5,264.98 = 2,136.57/x
  3. Step 3: Cross multiply
    3,815.01x = 5,264.98 × 2,136.57
  4. Step 4: Simplify right side
    3,815.01x = 11,248,998.32
  5. Step 5: Solve for x
    x = 11,248,998.32/3,815.01
  6. Step 6: Final answer
    x = 2,948.62

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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.