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Finding the Fourth Proportional to 3,010.70, 4,512.74 and 1,549.93

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Solution

The fourth proportional to 3,010.70, 4,512.74 and 1,549.93 is: 2,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.70 : 4,512.74 = 1,549.93 : x
  2. Step 2: Convert to fraction form
    3,010.70/4,512.74 = 1,549.93/x
  3. Step 3: Cross multiply
    3,010.70x = 4,512.74 × 1,549.93
  4. Step 4: Simplify right side
    3,010.70x = 6,994,408.54
  5. Step 5: Solve for x
    x = 6,994,408.54/3,010.70
  6. Step 6: Final answer
    x = 2,323.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.