Home / 2,261.07-3,126.33-1,984.32

Finding the Fourth Proportional to 2,261.07, 3,126.33 and 1,984.32

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Solution

The fourth proportional to 2,261.07, 3,126.33 and 1,984.32 is: 2,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.07 : 3,126.33 = 1,984.32 : x
  2. Step 2: Convert to fraction form
    2,261.07/3,126.33 = 1,984.32/x
  3. Step 3: Cross multiply
    2,261.07x = 3,126.33 × 1,984.32
  4. Step 4: Simplify right side
    2,261.07x = 6,203,639.15
  5. Step 5: Solve for x
    x = 6,203,639.15/2,261.07
  6. Step 6: Final answer
    x = 2,743.67

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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.