Home / 3,072.12-4,596.84-1,840.40

Finding the Fourth Proportional to 3,072.12, 4,596.84 and 1,840.40

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Solution

The fourth proportional to 3,072.12, 4,596.84 and 1,840.40 is: 2,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.12 : 4,596.84 = 1,840.40 : x
  2. Step 2: Convert to fraction form
    3,072.12/4,596.84 = 1,840.40/x
  3. Step 3: Cross multiply
    3,072.12x = 4,596.84 × 1,840.40
  4. Step 4: Simplify right side
    3,072.12x = 8,460,024.34
  5. Step 5: Solve for x
    x = 8,460,024.34/3,072.12
  6. Step 6: Final answer
    x = 2,753.81

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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.