Home / 2,680.51-4,020.94-1,037.07

Finding the Fourth Proportional to 2,680.51, 4,020.94 and 1,037.07

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Solution

The fourth proportional to 2,680.51, 4,020.94 and 1,037.07 is: 1,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.51 : 4,020.94 = 1,037.07 : x
  2. Step 2: Convert to fraction form
    2,680.51/4,020.94 = 1,037.07/x
  3. Step 3: Cross multiply
    2,680.51x = 4,020.94 × 1,037.07
  4. Step 4: Simplify right side
    2,680.51x = 4,169,996.25
  5. Step 5: Solve for x
    x = 4,169,996.25/2,680.51
  6. Step 6: Final answer
    x = 1,555.67

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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.