Home / 2,334.15-3,221.08-1,339.40

Finding the Fourth Proportional to 2,334.15, 3,221.08 and 1,339.40

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Solution

The fourth proportional to 2,334.15, 3,221.08 and 1,339.40 is: 1,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.15 : 3,221.08 = 1,339.40 : x
  2. Step 2: Convert to fraction form
    2,334.15/3,221.08 = 1,339.40/x
  3. Step 3: Cross multiply
    2,334.15x = 3,221.08 × 1,339.40
  4. Step 4: Simplify right side
    2,334.15x = 4,314,326.79
  5. Step 5: Solve for x
    x = 4,314,326.79/2,334.15
  6. Step 6: Final answer
    x = 1,848.35

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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.