Home / 2,136.80-2,944.19-1,546.31

Finding the Fourth Proportional to 2,136.80, 2,944.19 and 1,546.31

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Solution

The fourth proportional to 2,136.80, 2,944.19 and 1,546.31 is: 2,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.80 : 2,944.19 = 1,546.31 : x
  2. Step 2: Convert to fraction form
    2,136.80/2,944.19 = 1,546.31/x
  3. Step 3: Cross multiply
    2,136.80x = 2,944.19 × 1,546.31
  4. Step 4: Simplify right side
    2,136.80x = 4,552,607.99
  5. Step 5: Solve for x
    x = 4,552,607.99/2,136.80
  6. Step 6: Final answer
    x = 2,130.58

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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.