Home / 2,847.15-4,270.73-1,203.39

Finding the Fourth Proportional to 2,847.15, 4,270.73 and 1,203.39

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Solution

The fourth proportional to 2,847.15, 4,270.73 and 1,203.39 is: 1,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.15 : 4,270.73 = 1,203.39 : x
  2. Step 2: Convert to fraction form
    2,847.15/4,270.73 = 1,203.39/x
  3. Step 3: Cross multiply
    2,847.15x = 4,270.73 × 1,203.39
  4. Step 4: Simplify right side
    2,847.15x = 5,139,347.76
  5. Step 5: Solve for x
    x = 5,139,347.76/2,847.15
  6. Step 6: Final answer
    x = 1,805.09

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1.5x scale

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.