Home / 2,815.47-4,220.93-1,173.26

Finding the Fourth Proportional to 2,815.47, 4,220.93 and 1,173.26

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Solution

The fourth proportional to 2,815.47, 4,220.93 and 1,173.26 is: 1,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.47 : 4,220.93 = 1,173.26 : x
  2. Step 2: Convert to fraction form
    2,815.47/4,220.93 = 1,173.26/x
  3. Step 3: Cross multiply
    2,815.47x = 4,220.93 × 1,173.26
  4. Step 4: Simplify right side
    2,815.47x = 4,952,221.36
  5. Step 5: Solve for x
    x = 4,952,221.36/2,815.47
  6. Step 6: Final answer
    x = 1,758.93

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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.