Home / 2,376.06-3,278.84-1,381.18

Finding the Fourth Proportional to 2,376.06, 3,278.84 and 1,381.18

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Solution

The fourth proportional to 2,376.06, 3,278.84 and 1,381.18 is: 1,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.06 : 3,278.84 = 1,381.18 : x
  2. Step 2: Convert to fraction form
    2,376.06/3,278.84 = 1,381.18/x
  3. Step 3: Cross multiply
    2,376.06x = 3,278.84 × 1,381.18
  4. Step 4: Simplify right side
    2,376.06x = 4,528,644.93
  5. Step 5: Solve for x
    x = 4,528,644.93/2,376.06
  6. Step 6: Final answer
    x = 1,905.95

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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.