Home / 2,738.13-3,774.80-2,314.51

Finding the Fourth Proportional to 2,738.13, 3,774.80 and 2,314.51

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Solution

The fourth proportional to 2,738.13, 3,774.80 and 2,314.51 is: 3,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.13 : 3,774.80 = 2,314.51 : x
  2. Step 2: Convert to fraction form
    2,738.13/3,774.80 = 2,314.51/x
  3. Step 3: Cross multiply
    2,738.13x = 3,774.80 × 2,314.51
  4. Step 4: Simplify right side
    2,738.13x = 8,736,812.35
  5. Step 5: Solve for x
    x = 8,736,812.35/2,738.13
  6. Step 6: Final answer
    x = 3,190.80

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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.