Home / 2,794.09-3,855.84-1,615.16

Finding the Fourth Proportional to 2,794.09, 3,855.84 and 1,615.16

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Solution

The fourth proportional to 2,794.09, 3,855.84 and 1,615.16 is: 2,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.09 : 3,855.84 = 1,615.16 : x
  2. Step 2: Convert to fraction form
    2,794.09/3,855.84 = 1,615.16/x
  3. Step 3: Cross multiply
    2,794.09x = 3,855.84 × 1,615.16
  4. Step 4: Simplify right side
    2,794.09x = 6,227,798.53
  5. Step 5: Solve for x
    x = 6,227,798.53/2,794.09
  6. Step 6: Final answer
    x = 2,228.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.