Home / 2,506.09-3,763.40-2,089.19

Finding the Fourth Proportional to 2,506.09, 3,763.40 and 2,089.19

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Solution

The fourth proportional to 2,506.09, 3,763.40 and 2,089.19 is: 3,137.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.09 : 3,763.40 = 2,089.19 : x
  2. Step 2: Convert to fraction form
    2,506.09/3,763.40 = 2,089.19/x
  3. Step 3: Cross multiply
    2,506.09x = 3,763.40 × 2,089.19
  4. Step 4: Simplify right side
    2,506.09x = 7,862,438.83
  5. Step 5: Solve for x
    x = 7,862,438.83/2,506.09
  6. Step 6: Final answer
    x = 3,137.34

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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.