Home / 2,905.74-4,357.80-1,263.06

Finding the Fourth Proportional to 2,905.74, 4,357.80 and 1,263.06

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Solution

The fourth proportional to 2,905.74, 4,357.80 and 1,263.06 is: 1,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.74 : 4,357.80 = 1,263.06 : x
  2. Step 2: Convert to fraction form
    2,905.74/4,357.80 = 1,263.06/x
  3. Step 3: Cross multiply
    2,905.74x = 4,357.80 × 1,263.06
  4. Step 4: Simplify right side
    2,905.74x = 5,504,162.87
  5. Step 5: Solve for x
    x = 5,504,162.87/2,905.74
  6. Step 6: Final answer
    x = 1,894.24

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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.