Home / 2,431.09-3,617.45-2,422.89

Finding the Fourth Proportional to 2,431.09, 3,617.45 and 2,422.89

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Solution

The fourth proportional to 2,431.09, 3,617.45 and 2,422.89 is: 3,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.09 : 3,617.45 = 2,422.89 : x
  2. Step 2: Convert to fraction form
    2,431.09/3,617.45 = 2,422.89/x
  3. Step 3: Cross multiply
    2,431.09x = 3,617.45 × 2,422.89
  4. Step 4: Simplify right side
    2,431.09x = 8,764,683.43
  5. Step 5: Solve for x
    x = 8,764,683.43/2,431.09
  6. Step 6: Final answer
    x = 3,605.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.