Home / 2,376.54-3,279.62-1,328.61

Finding the Fourth Proportional to 2,376.54, 3,279.62 and 1,328.61

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Solution

The fourth proportional to 2,376.54, 3,279.62 and 1,328.61 is: 1,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.54 : 3,279.62 = 1,328.61 : x
  2. Step 2: Convert to fraction form
    2,376.54/3,279.62 = 1,328.61/x
  3. Step 3: Cross multiply
    2,376.54x = 3,279.62 × 1,328.61
  4. Step 4: Simplify right side
    2,376.54x = 4,357,319.53
  5. Step 5: Solve for x
    x = 4,357,319.53/2,376.54
  6. Step 6: Final answer
    x = 1,833.47

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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.