Home / 2,905.11-4,357.26-1,056.69

Finding the Fourth Proportional to 2,905.11, 4,357.26 and 1,056.69

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Solution

The fourth proportional to 2,905.11, 4,357.26 and 1,056.69 is: 1,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.11 : 4,357.26 = 1,056.69 : x
  2. Step 2: Convert to fraction form
    2,905.11/4,357.26 = 1,056.69/x
  3. Step 3: Cross multiply
    2,905.11x = 4,357.26 × 1,056.69
  4. Step 4: Simplify right side
    2,905.11x = 4,604,273.07
  5. Step 5: Solve for x
    x = 4,604,273.07/2,905.11
  6. Step 6: Final answer
    x = 1,584.89

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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.