Home / 1,376.85-1,894.53-1,344.06

Finding the Fourth Proportional to 1,376.85, 1,894.53 and 1,344.06

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Solution

The fourth proportional to 1,376.85, 1,894.53 and 1,344.06 is: 1,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.85 : 1,894.53 = 1,344.06 : x
  2. Step 2: Convert to fraction form
    1,376.85/1,894.53 = 1,344.06/x
  3. Step 3: Cross multiply
    1,376.85x = 1,894.53 × 1,344.06
  4. Step 4: Simplify right side
    1,376.85x = 2,546,361.99
  5. Step 5: Solve for x
    x = 2,546,361.99/1,376.85
  6. Step 6: Final answer
    x = 1,849.41

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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.