Home / 2,760.40-3,810.60-1,767.01

Finding the Fourth Proportional to 2,760.40, 3,810.60 and 1,767.01

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Solution

The fourth proportional to 2,760.40, 3,810.60 and 1,767.01 is: 2,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.40 : 3,810.60 = 1,767.01 : x
  2. Step 2: Convert to fraction form
    2,760.40/3,810.60 = 1,767.01/x
  3. Step 3: Cross multiply
    2,760.40x = 3,810.60 × 1,767.01
  4. Step 4: Simplify right side
    2,760.40x = 6,733,368.31
  5. Step 5: Solve for x
    x = 6,733,368.31/2,760.40
  6. Step 6: Final answer
    x = 2,439.27

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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.