Home / 3,242.93-4,475.58-1,984.82

Finding the Fourth Proportional to 3,242.93, 4,475.58 and 1,984.82

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Solution

The fourth proportional to 3,242.93, 4,475.58 and 1,984.82 is: 2,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.93 : 4,475.58 = 1,984.82 : x
  2. Step 2: Convert to fraction form
    3,242.93/4,475.58 = 1,984.82/x
  3. Step 3: Cross multiply
    3,242.93x = 4,475.58 × 1,984.82
  4. Step 4: Simplify right side
    3,242.93x = 8,883,207.66
  5. Step 5: Solve for x
    x = 8,883,207.66/3,242.93
  6. Step 6: Final answer
    x = 2,739.25

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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.