Home / 2,376.34-3,279.45-1,381.84

Finding the Fourth Proportional to 2,376.34, 3,279.45 and 1,381.84

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Solution

The fourth proportional to 2,376.34, 3,279.45 and 1,381.84 is: 1,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.34 : 3,279.45 = 1,381.84 : x
  2. Step 2: Convert to fraction form
    2,376.34/3,279.45 = 1,381.84/x
  3. Step 3: Cross multiply
    2,376.34x = 3,279.45 × 1,381.84
  4. Step 4: Simplify right side
    2,376.34x = 4,531,675.19
  5. Step 5: Solve for x
    x = 4,531,675.19/2,376.34
  6. Step 6: Final answer
    x = 1,907.00

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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.