Home / 2,321.94-3,203.09-1,525.15

Finding the Fourth Proportional to 2,321.94, 3,203.09 and 1,525.15

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Solution

The fourth proportional to 2,321.94, 3,203.09 and 1,525.15 is: 2,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.94 : 3,203.09 = 1,525.15 : x
  2. Step 2: Convert to fraction form
    2,321.94/3,203.09 = 1,525.15/x
  3. Step 3: Cross multiply
    2,321.94x = 3,203.09 × 1,525.15
  4. Step 4: Simplify right side
    2,321.94x = 4,885,194.81
  5. Step 5: Solve for x
    x = 4,885,194.81/2,321.94
  6. Step 6: Final answer
    x = 2,103.92

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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.