Home / 2,072.46-2,859.99-1,140.96

Finding the Fourth Proportional to 2,072.46, 2,859.99 and 1,140.96

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Solution

The fourth proportional to 2,072.46, 2,859.99 and 1,140.96 is: 1,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.46 : 2,859.99 = 1,140.96 : x
  2. Step 2: Convert to fraction form
    2,072.46/2,859.99 = 1,140.96/x
  3. Step 3: Cross multiply
    2,072.46x = 2,859.99 × 1,140.96
  4. Step 4: Simplify right side
    2,072.46x = 3,263,114.19
  5. Step 5: Solve for x
    x = 3,263,114.19/2,072.46
  6. Step 6: Final answer
    x = 1,574.52

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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.