Home / 1,769.45-2,441.75-983.34

Finding the Fourth Proportional to 1,769.45, 2,441.75 and 983.34

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Solution

The fourth proportional to 1,769.45, 2,441.75 and 983.34 is: 1,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.45 : 2,441.75 = 983.34 : x
  2. Step 2: Convert to fraction form
    1,769.45/2,441.75 = 983.34/x
  3. Step 3: Cross multiply
    1,769.45x = 2,441.75 × 983.34
  4. Step 4: Simplify right side
    1,769.45x = 2,401,065.53
  5. Step 5: Solve for x
    x = 2,401,065.53/1,769.45
  6. Step 6: Final answer
    x = 1,356.96

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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.