Home / 1,949.86-2,924.70-1,403.02

Finding the Fourth Proportional to 1,949.86, 2,924.70 and 1,403.02

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Solution

The fourth proportional to 1,949.86, 2,924.70 and 1,403.02 is: 2,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.86 : 2,924.70 = 1,403.02 : x
  2. Step 2: Convert to fraction form
    1,949.86/2,924.70 = 1,403.02/x
  3. Step 3: Cross multiply
    1,949.86x = 2,924.70 × 1,403.02
  4. Step 4: Simplify right side
    1,949.86x = 4,103,412.59
  5. Step 5: Solve for x
    x = 4,103,412.59/1,949.86
  6. Step 6: Final answer
    x = 2,104.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.