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Finding the Fourth Proportional to 2,708.75, 3,738.08 and 1,466.75

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Solution

The fourth proportional to 2,708.75, 3,738.08 and 1,466.75 is: 2,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.75 : 3,738.08 = 1,466.75 : x
  2. Step 2: Convert to fraction form
    2,708.75/3,738.08 = 1,466.75/x
  3. Step 3: Cross multiply
    2,708.75x = 3,738.08 × 1,466.75
  4. Step 4: Simplify right side
    2,708.75x = 5,482,828.84
  5. Step 5: Solve for x
    x = 5,482,828.84/2,708.75
  6. Step 6: Final answer
    x = 2,024.12

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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.