Home / 2,901.13-4,000.93-1,906.06

Finding the Fourth Proportional to 2,901.13, 4,000.93 and 1,906.06

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Solution

The fourth proportional to 2,901.13, 4,000.93 and 1,906.06 is: 2,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.13 : 4,000.93 = 1,906.06 : x
  2. Step 2: Convert to fraction form
    2,901.13/4,000.93 = 1,906.06/x
  3. Step 3: Cross multiply
    2,901.13x = 4,000.93 × 1,906.06
  4. Step 4: Simplify right side
    2,901.13x = 7,626,012.64
  5. Step 5: Solve for x
    x = 7,626,012.64/2,901.13
  6. Step 6: Final answer
    x = 2,628.64

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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.