Home / 2,259.02-3,388.56-1,271.68

Finding the Fourth Proportional to 2,259.02, 3,388.56 and 1,271.68

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Solution

The fourth proportional to 2,259.02, 3,388.56 and 1,271.68 is: 1,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.02 : 3,388.56 = 1,271.68 : x
  2. Step 2: Convert to fraction form
    2,259.02/3,388.56 = 1,271.68/x
  3. Step 3: Cross multiply
    2,259.02x = 3,388.56 × 1,271.68
  4. Step 4: Simplify right side
    2,259.02x = 4,309,163.98
  5. Step 5: Solve for x
    x = 4,309,163.98/2,259.02
  6. Step 6: Final answer
    x = 1,907.54

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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.