Home / 1,842.39-2,541.99-1,282.23

Finding the Fourth Proportional to 1,842.39, 2,541.99 and 1,282.23

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Solution

The fourth proportional to 1,842.39, 2,541.99 and 1,282.23 is: 1,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.39 : 2,541.99 = 1,282.23 : x
  2. Step 2: Convert to fraction form
    1,842.39/2,541.99 = 1,282.23/x
  3. Step 3: Cross multiply
    1,842.39x = 2,541.99 × 1,282.23
  4. Step 4: Simplify right side
    1,842.39x = 3,259,415.84
  5. Step 5: Solve for x
    x = 3,259,415.84/1,842.39
  6. Step 6: Final answer
    x = 1,769.12

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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.