Home / 2,039.78-3,045.80-1,924.28

Finding the Fourth Proportional to 2,039.78, 3,045.80 and 1,924.28

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Solution

The fourth proportional to 2,039.78, 3,045.80 and 1,924.28 is: 2,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.78 : 3,045.80 = 1,924.28 : x
  2. Step 2: Convert to fraction form
    2,039.78/3,045.80 = 1,924.28/x
  3. Step 3: Cross multiply
    2,039.78x = 3,045.80 × 1,924.28
  4. Step 4: Simplify right side
    2,039.78x = 5,860,961.61
  5. Step 5: Solve for x
    x = 5,860,961.61/2,039.78
  6. Step 6: Final answer
    x = 2,873.33

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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.