Home / 2,418.51-3,332.87-1,631.19

Finding the Fourth Proportional to 2,418.51, 3,332.87 and 1,631.19

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Solution

The fourth proportional to 2,418.51, 3,332.87 and 1,631.19 is: 2,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.51 : 3,332.87 = 1,631.19 : x
  2. Step 2: Convert to fraction form
    2,418.51/3,332.87 = 1,631.19/x
  3. Step 3: Cross multiply
    2,418.51x = 3,332.87 × 1,631.19
  4. Step 4: Simplify right side
    2,418.51x = 5,436,536.06
  5. Step 5: Solve for x
    x = 5,436,536.06/2,418.51
  6. Step 6: Final answer
    x = 2,247.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.