Home / 3,628.07-5,006.63-2,136.08

Finding the Fourth Proportional to 3,628.07, 5,006.63 and 2,136.08

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Solution

The fourth proportional to 3,628.07, 5,006.63 and 2,136.08 is: 2,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.07 : 5,006.63 = 2,136.08 : x
  2. Step 2: Convert to fraction form
    3,628.07/5,006.63 = 2,136.08/x
  3. Step 3: Cross multiply
    3,628.07x = 5,006.63 × 2,136.08
  4. Step 4: Simplify right side
    3,628.07x = 10,694,580.07
  5. Step 5: Solve for x
    x = 10,694,580.07/3,628.07
  6. Step 6: Final answer
    x = 2,947.74

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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.