Home / 3,189.04-4,782.88-1,457.24

Finding the Fourth Proportional to 3,189.04, 4,782.88 and 1,457.24

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Solution

The fourth proportional to 3,189.04, 4,782.88 and 1,457.24 is: 2,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.04 : 4,782.88 = 1,457.24 : x
  2. Step 2: Convert to fraction form
    3,189.04/4,782.88 = 1,457.24/x
  3. Step 3: Cross multiply
    3,189.04x = 4,782.88 × 1,457.24
  4. Step 4: Simplify right side
    3,189.04x = 6,969,804.05
  5. Step 5: Solve for x
    x = 6,969,804.05/3,189.04
  6. Step 6: Final answer
    x = 2,185.55

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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.