Home / 2,905.90-4,357.81-1,056.54

Finding the Fourth Proportional to 2,905.90, 4,357.81 and 1,056.54

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Solution

The fourth proportional to 2,905.90, 4,357.81 and 1,056.54 is: 1,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.90 : 4,357.81 = 1,056.54 : x
  2. Step 2: Convert to fraction form
    2,905.90/4,357.81 = 1,056.54/x
  3. Step 3: Cross multiply
    2,905.90x = 4,357.81 × 1,056.54
  4. Step 4: Simplify right side
    2,905.90x = 4,604,200.58
  5. Step 5: Solve for x
    x = 4,604,200.58/2,905.90
  6. Step 6: Final answer
    x = 1,584.43

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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.