Home / 2,847.18-4,270.80-1,203.51

Finding the Fourth Proportional to 2,847.18, 4,270.80 and 1,203.51

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Solution

The fourth proportional to 2,847.18, 4,270.80 and 1,203.51 is: 1,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.18 : 4,270.80 = 1,203.51 : x
  2. Step 2: Convert to fraction form
    2,847.18/4,270.80 = 1,203.51/x
  3. Step 3: Cross multiply
    2,847.18x = 4,270.80 × 1,203.51
  4. Step 4: Simplify right side
    2,847.18x = 5,139,950.51
  5. Step 5: Solve for x
    x = 5,139,950.51/2,847.18
  6. Step 6: Final answer
    x = 1,805.28

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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.