Home / 3,315.15-4,973.54-1,855.33

Finding the Fourth Proportional to 3,315.15, 4,973.54 and 1,855.33

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Solution

The fourth proportional to 3,315.15, 4,973.54 and 1,855.33 is: 2,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.15 : 4,973.54 = 1,855.33 : x
  2. Step 2: Convert to fraction form
    3,315.15/4,973.54 = 1,855.33/x
  3. Step 3: Cross multiply
    3,315.15x = 4,973.54 × 1,855.33
  4. Step 4: Simplify right side
    3,315.15x = 9,227,536.26
  5. Step 5: Solve for x
    x = 9,227,536.26/3,315.15
  6. Step 6: Final answer
    x = 2,783.44

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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.