Home / 3,438.51-4,744.35-2,321.52

Finding the Fourth Proportional to 3,438.51, 4,744.35 and 2,321.52

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Solution

The fourth proportional to 3,438.51, 4,744.35 and 2,321.52 is: 3,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.51 : 4,744.35 = 2,321.52 : x
  2. Step 2: Convert to fraction form
    3,438.51/4,744.35 = 2,321.52/x
  3. Step 3: Cross multiply
    3,438.51x = 4,744.35 × 2,321.52
  4. Step 4: Simplify right side
    3,438.51x = 11,014,103.41
  5. Step 5: Solve for x
    x = 11,014,103.41/3,438.51
  6. Step 6: Final answer
    x = 3,203.16

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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.