Home / 2,040.03-2,815.79-1,201

Finding the Fourth Proportional to 2,040.03, 2,815.79 and 1,201

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Solution

The fourth proportional to 2,040.03, 2,815.79 and 1,201 is: 1,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.03 : 2,815.79 = 1,201 : x
  2. Step 2: Convert to fraction form
    2,040.03/2,815.79 = 1,201/x
  3. Step 3: Cross multiply
    2,040.03x = 2,815.79 × 1,201
  4. Step 4: Simplify right side
    2,040.03x = 3,381,763.79
  5. Step 5: Solve for x
    x = 3,381,763.79/2,040.03
  6. Step 6: Final answer
    x = 1,657.70

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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.