Home / 2,228.37-3,074.13-1,442.67

Finding the Fourth Proportional to 2,228.37, 3,074.13 and 1,442.67

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Solution

The fourth proportional to 2,228.37, 3,074.13 and 1,442.67 is: 1,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.37 : 3,074.13 = 1,442.67 : x
  2. Step 2: Convert to fraction form
    2,228.37/3,074.13 = 1,442.67/x
  3. Step 3: Cross multiply
    2,228.37x = 3,074.13 × 1,442.67
  4. Step 4: Simplify right side
    2,228.37x = 4,434,955.13
  5. Step 5: Solve for x
    x = 4,434,955.13/2,228.37
  6. Step 6: Final answer
    x = 1,990.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.