Home / 2,257.84-3,116.32-1,326.64

Finding the Fourth Proportional to 2,257.84, 3,116.32 and 1,326.64

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Solution

The fourth proportional to 2,257.84, 3,116.32 and 1,326.64 is: 1,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.84 : 3,116.32 = 1,326.64 : x
  2. Step 2: Convert to fraction form
    2,257.84/3,116.32 = 1,326.64/x
  3. Step 3: Cross multiply
    2,257.84x = 3,116.32 × 1,326.64
  4. Step 4: Simplify right side
    2,257.84x = 4,134,234.76
  5. Step 5: Solve for x
    x = 4,134,234.76/2,257.84
  6. Step 6: Final answer
    x = 1,831.06

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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.