Home / 3,060.18-4,590.30-1,211.75

Finding the Fourth Proportional to 3,060.18, 4,590.30 and 1,211.75

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Solution

The fourth proportional to 3,060.18, 4,590.30 and 1,211.75 is: 1,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.18 : 4,590.30 = 1,211.75 : x
  2. Step 2: Convert to fraction form
    3,060.18/4,590.30 = 1,211.75/x
  3. Step 3: Cross multiply
    3,060.18x = 4,590.30 × 1,211.75
  4. Step 4: Simplify right side
    3,060.18x = 5,562,273.07
  5. Step 5: Solve for x
    x = 5,562,273.07/3,060.18
  6. Step 6: Final answer
    x = 1,817.63

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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.