Home / 2,552.54-3,813.29-1,620.63

Finding the Fourth Proportional to 2,552.54, 3,813.29 and 1,620.63

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Solution

The fourth proportional to 2,552.54, 3,813.29 and 1,620.63 is: 2,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.54 : 3,813.29 = 1,620.63 : x
  2. Step 2: Convert to fraction form
    2,552.54/3,813.29 = 1,620.63/x
  3. Step 3: Cross multiply
    2,552.54x = 3,813.29 × 1,620.63
  4. Step 4: Simplify right side
    2,552.54x = 6,179,936.22
  5. Step 5: Solve for x
    x = 6,179,936.22/2,552.54
  6. Step 6: Final answer
    x = 2,421.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.