Home / 2,027.85-3,040.61-1,206.70

Finding the Fourth Proportional to 2,027.85, 3,040.61 and 1,206.70

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Solution

The fourth proportional to 2,027.85, 3,040.61 and 1,206.70 is: 1,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.85 : 3,040.61 = 1,206.70 : x
  2. Step 2: Convert to fraction form
    2,027.85/3,040.61 = 1,206.70/x
  3. Step 3: Cross multiply
    2,027.85x = 3,040.61 × 1,206.70
  4. Step 4: Simplify right side
    2,027.85x = 3,669,088.88
  5. Step 5: Solve for x
    x = 3,669,088.88/2,027.85
  6. Step 6: Final answer
    x = 1,809.35

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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.