Home / 2,963.23-4,090.16-1,768.21

Finding the Fourth Proportional to 2,963.23, 4,090.16 and 1,768.21

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Solution

The fourth proportional to 2,963.23, 4,090.16 and 1,768.21 is: 2,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.23 : 4,090.16 = 1,768.21 : x
  2. Step 2: Convert to fraction form
    2,963.23/4,090.16 = 1,768.21/x
  3. Step 3: Cross multiply
    2,963.23x = 4,090.16 × 1,768.21
  4. Step 4: Simplify right side
    2,963.23x = 7,232,261.81
  5. Step 5: Solve for x
    x = 7,232,261.81/2,963.23
  6. Step 6: Final answer
    x = 2,440.67

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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.