Home / 2,506.51-3,760.53-1,121.01

Finding the Fourth Proportional to 2,506.51, 3,760.53 and 1,121.01

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Solution

The fourth proportional to 2,506.51, 3,760.53 and 1,121.01 is: 1,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.51 : 3,760.53 = 1,121.01 : x
  2. Step 2: Convert to fraction form
    2,506.51/3,760.53 = 1,121.01/x
  3. Step 3: Cross multiply
    2,506.51x = 3,760.53 × 1,121.01
  4. Step 4: Simplify right side
    2,506.51x = 4,215,584.91
  5. Step 5: Solve for x
    x = 4,215,584.91/2,506.51
  6. Step 6: Final answer
    x = 1,681.86

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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.