Home / 2,420.74-3,626.85-1,726.37

Finding the Fourth Proportional to 2,420.74, 3,626.85 and 1,726.37

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Solution

The fourth proportional to 2,420.74, 3,626.85 and 1,726.37 is: 2,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.74 : 3,626.85 = 1,726.37 : x
  2. Step 2: Convert to fraction form
    2,420.74/3,626.85 = 1,726.37/x
  3. Step 3: Cross multiply
    2,420.74x = 3,626.85 × 1,726.37
  4. Step 4: Simplify right side
    2,420.74x = 6,261,266.90
  5. Step 5: Solve for x
    x = 6,261,266.90/2,420.74
  6. Step 6: Final answer
    x = 2,586.51

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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.