Home / 3,070.80-4,237.82-1,812.93

Finding the Fourth Proportional to 3,070.80, 4,237.82 and 1,812.93

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Solution

The fourth proportional to 3,070.80, 4,237.82 and 1,812.93 is: 2,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.80 : 4,237.82 = 1,812.93 : x
  2. Step 2: Convert to fraction form
    3,070.80/4,237.82 = 1,812.93/x
  3. Step 3: Cross multiply
    3,070.80x = 4,237.82 × 1,812.93
  4. Step 4: Simplify right side
    3,070.80x = 7,682,861.95
  5. Step 5: Solve for x
    x = 7,682,861.95/3,070.80
  6. Step 6: Final answer
    x = 2,501.91

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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.