Home / 2,259.57-3,389.87-1,219.55

Finding the Fourth Proportional to 2,259.57, 3,389.87 and 1,219.55

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Solution

The fourth proportional to 2,259.57, 3,389.87 and 1,219.55 is: 1,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.57 : 3,389.87 = 1,219.55 : x
  2. Step 2: Convert to fraction form
    2,259.57/3,389.87 = 1,219.55/x
  3. Step 3: Cross multiply
    2,259.57x = 3,389.87 × 1,219.55
  4. Step 4: Simplify right side
    2,259.57x = 4,134,102.06
  5. Step 5: Solve for x
    x = 4,134,102.06/2,259.57
  6. Step 6: Final answer
    x = 1,829.59

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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.