Home / 3,015.70-4,524.14-1,456.79

Finding the Fourth Proportional to 3,015.70, 4,524.14 and 1,456.79

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Solution

The fourth proportional to 3,015.70, 4,524.14 and 1,456.79 is: 2,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.70 : 4,524.14 = 1,456.79 : x
  2. Step 2: Convert to fraction form
    3,015.70/4,524.14 = 1,456.79/x
  3. Step 3: Cross multiply
    3,015.70x = 4,524.14 × 1,456.79
  4. Step 4: Simplify right side
    3,015.70x = 6,590,702.93
  5. Step 5: Solve for x
    x = 6,590,702.93/3,015.70
  6. Step 6: Final answer
    x = 2,185.47

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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.