Home / 3,440.80-4,749.06-2,261.98

Finding the Fourth Proportional to 3,440.80, 4,749.06 and 2,261.98

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Solution

The fourth proportional to 3,440.80, 4,749.06 and 2,261.98 is: 3,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.80 : 4,749.06 = 2,261.98 : x
  2. Step 2: Convert to fraction form
    3,440.80/4,749.06 = 2,261.98/x
  3. Step 3: Cross multiply
    3,440.80x = 4,749.06 × 2,261.98
  4. Step 4: Simplify right side
    3,440.80x = 10,742,278.74
  5. Step 5: Solve for x
    x = 10,742,278.74/3,440.80
  6. Step 6: Final answer
    x = 3,122.03

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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.