Home / 2,040.09-2,815.55-1,201

Finding the Fourth Proportional to 2,040.09, 2,815.55 and 1,201

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Solution

The fourth proportional to 2,040.09, 2,815.55 and 1,201 is: 1,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.09 : 2,815.55 = 1,201 : x
  2. Step 2: Convert to fraction form
    2,040.09/2,815.55 = 1,201/x
  3. Step 3: Cross multiply
    2,040.09x = 2,815.55 × 1,201
  4. Step 4: Simplify right side
    2,040.09x = 3,381,475.55
  5. Step 5: Solve for x
    x = 3,381,475.55/2,040.09
  6. Step 6: Final answer
    x = 1,657.51

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1.5x scale

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.