Home / 2,340.39-3,233.86-1,872.15

Finding the Fourth Proportional to 2,340.39, 3,233.86 and 1,872.15

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Solution

The fourth proportional to 2,340.39, 3,233.86 and 1,872.15 is: 2,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.39 : 3,233.86 = 1,872.15 : x
  2. Step 2: Convert to fraction form
    2,340.39/3,233.86 = 1,872.15/x
  3. Step 3: Cross multiply
    2,340.39x = 3,233.86 × 1,872.15
  4. Step 4: Simplify right side
    2,340.39x = 6,054,254.19
  5. Step 5: Solve for x
    x = 6,054,254.19/2,340.39
  6. Step 6: Final answer
    x = 2,586.85

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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.