Home / 2,991.21-4,482.77-2,902.52

Finding the Fourth Proportional to 2,991.21, 4,482.77 and 2,902.52

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Solution

The fourth proportional to 2,991.21, 4,482.77 and 2,902.52 is: 4,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.21 : 4,482.77 = 2,902.52 : x
  2. Step 2: Convert to fraction form
    2,991.21/4,482.77 = 2,902.52/x
  3. Step 3: Cross multiply
    2,991.21x = 4,482.77 × 2,902.52
  4. Step 4: Simplify right side
    2,991.21x = 13,011,292.65
  5. Step 5: Solve for x
    x = 13,011,292.65/2,991.21
  6. Step 6: Final answer
    x = 4,349.84

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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.