Home / 3,240.09-4,471.43-1,842.93

Finding the Fourth Proportional to 3,240.09, 4,471.43 and 1,842.93

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Solution

The fourth proportional to 3,240.09, 4,471.43 and 1,842.93 is: 2,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.09 : 4,471.43 = 1,842.93 : x
  2. Step 2: Convert to fraction form
    3,240.09/4,471.43 = 1,842.93/x
  3. Step 3: Cross multiply
    3,240.09x = 4,471.43 × 1,842.93
  4. Step 4: Simplify right side
    3,240.09x = 8,240,523.28
  5. Step 5: Solve for x
    x = 8,240,523.28/3,240.09
  6. Step 6: Final answer
    x = 2,543.30

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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.