Home / 2,443.23-3,369.48-1,918.35

Finding the Fourth Proportional to 2,443.23, 3,369.48 and 1,918.35

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Solution

The fourth proportional to 2,443.23, 3,369.48 and 1,918.35 is: 2,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.23 : 3,369.48 = 1,918.35 : x
  2. Step 2: Convert to fraction form
    2,443.23/3,369.48 = 1,918.35/x
  3. Step 3: Cross multiply
    2,443.23x = 3,369.48 × 1,918.35
  4. Step 4: Simplify right side
    2,443.23x = 6,463,841.96
  5. Step 5: Solve for x
    x = 6,463,841.96/2,443.23
  6. Step 6: Final answer
    x = 2,645.61

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1.5x scale

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.