Home / 2,136.81-2,949.30-1,546.32

Finding the Fourth Proportional to 2,136.81, 2,949.30 and 1,546.32

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Solution

The fourth proportional to 2,136.81, 2,949.30 and 1,546.32 is: 2,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.81 : 2,949.30 = 1,546.32 : x
  2. Step 2: Convert to fraction form
    2,136.81/2,949.30 = 1,546.32/x
  3. Step 3: Cross multiply
    2,136.81x = 2,949.30 × 1,546.32
  4. Step 4: Simplify right side
    2,136.81x = 4,560,561.58
  5. Step 5: Solve for x
    x = 4,560,561.58/2,136.81
  6. Step 6: Final answer
    x = 2,134.29

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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.