Home / 2,376.30-3,278.58-1,381.52

Finding the Fourth Proportional to 2,376.30, 3,278.58 and 1,381.52

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Solution

The fourth proportional to 2,376.30, 3,278.58 and 1,381.52 is: 1,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.30 : 3,278.58 = 1,381.52 : x
  2. Step 2: Convert to fraction form
    2,376.30/3,278.58 = 1,381.52/x
  3. Step 3: Cross multiply
    2,376.30x = 3,278.58 × 1,381.52
  4. Step 4: Simplify right side
    2,376.30x = 4,529,423.84
  5. Step 5: Solve for x
    x = 4,529,423.84/2,376.30
  6. Step 6: Final answer
    x = 1,906.08

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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.