Home / 3,842.00-5,762.99-1,245.14

Finding the Fourth Proportional to 3,842.00, 5,762.99 and 1,245.14

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Solution

The fourth proportional to 3,842.00, 5,762.99 and 1,245.14 is: 1,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.00 : 5,762.99 = 1,245.14 : x
  2. Step 2: Convert to fraction form
    3,842.00/5,762.99 = 1,245.14/x
  3. Step 3: Cross multiply
    3,842.00x = 5,762.99 × 1,245.14
  4. Step 4: Simplify right side
    3,842.00x = 7,175,703.67
  5. Step 5: Solve for x
    x = 7,175,703.67/3,842.00
  6. Step 6: Final answer
    x = 1,867.70

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Similar ratio
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1.5x scale

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.