Home / 2,933.86-4,400.79-1,290.01

Finding the Fourth Proportional to 2,933.86, 4,400.79 and 1,290.01

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Solution

The fourth proportional to 2,933.86, 4,400.79 and 1,290.01 is: 1,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.86 : 4,400.79 = 1,290.01 : x
  2. Step 2: Convert to fraction form
    2,933.86/4,400.79 = 1,290.01/x
  3. Step 3: Cross multiply
    2,933.86x = 4,400.79 × 1,290.01
  4. Step 4: Simplify right side
    2,933.86x = 5,677,063.11
  5. Step 5: Solve for x
    x = 5,677,063.11/2,933.86
  6. Step 6: Final answer
    x = 1,935.02

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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.