Home / 2,905.52-4,358.30-1,056.65

Finding the Fourth Proportional to 2,905.52, 4,358.30 and 1,056.65

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Solution

The fourth proportional to 2,905.52, 4,358.30 and 1,056.65 is: 1,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.52 : 4,358.30 = 1,056.65 : x
  2. Step 2: Convert to fraction form
    2,905.52/4,358.30 = 1,056.65/x
  3. Step 3: Cross multiply
    2,905.52x = 4,358.30 × 1,056.65
  4. Step 4: Simplify right side
    2,905.52x = 4,605,170.62
  5. Step 5: Solve for x
    x = 4,605,170.62/2,905.52
  6. Step 6: Final answer
    x = 1,584.98

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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.