Home / 2,918.45-4,373.12-1,601.09

Finding the Fourth Proportional to 2,918.45, 4,373.12 and 1,601.09

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Solution

The fourth proportional to 2,918.45, 4,373.12 and 1,601.09 is: 2,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.45 : 4,373.12 = 1,601.09 : x
  2. Step 2: Convert to fraction form
    2,918.45/4,373.12 = 1,601.09/x
  3. Step 3: Cross multiply
    2,918.45x = 4,373.12 × 1,601.09
  4. Step 4: Simplify right side
    2,918.45x = 7,001,751.23
  5. Step 5: Solve for x
    x = 7,001,751.23/2,918.45
  6. Step 6: Final answer
    x = 2,399.13

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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.