Home / 1,769.45-2,441.91-983.49

Finding the Fourth Proportional to 1,769.45, 2,441.91 and 983.49

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Solution

The fourth proportional to 1,769.45, 2,441.91 and 983.49 is: 1,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.45 : 2,441.91 = 983.49 : x
  2. Step 2: Convert to fraction form
    1,769.45/2,441.91 = 983.49/x
  3. Step 3: Cross multiply
    1,769.45x = 2,441.91 × 983.49
  4. Step 4: Simplify right side
    1,769.45x = 2,401,594.07
  5. Step 5: Solve for x
    x = 2,401,594.07/1,769.45
  6. Step 6: Final answer
    x = 1,357.26

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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.