Home / 3,168.21-4,373.06-1,842.51

Finding the Fourth Proportional to 3,168.21, 4,373.06 and 1,842.51

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Solution

The fourth proportional to 3,168.21, 4,373.06 and 1,842.51 is: 2,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.21 : 4,373.06 = 1,842.51 : x
  2. Step 2: Convert to fraction form
    3,168.21/4,373.06 = 1,842.51/x
  3. Step 3: Cross multiply
    3,168.21x = 4,373.06 × 1,842.51
  4. Step 4: Simplify right side
    3,168.21x = 8,057,406.78
  5. Step 5: Solve for x
    x = 8,057,406.78/3,168.21
  6. Step 6: Final answer
    x = 2,543.20

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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.