Home / 1,617.09-2,418.93-1,518.68

Finding the Fourth Proportional to 1,617.09, 2,418.93 and 1,518.68

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Solution

The fourth proportional to 1,617.09, 2,418.93 and 1,518.68 is: 2,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.09 : 2,418.93 = 1,518.68 : x
  2. Step 2: Convert to fraction form
    1,617.09/2,418.93 = 1,518.68/x
  3. Step 3: Cross multiply
    1,617.09x = 2,418.93 × 1,518.68
  4. Step 4: Simplify right side
    1,617.09x = 3,673,580.61
  5. Step 5: Solve for x
    x = 3,673,580.61/1,617.09
  6. Step 6: Final answer
    x = 2,271.72

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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.