Home / 1,769.19-2,441.52-983.49

Finding the Fourth Proportional to 1,769.19, 2,441.52 and 983.49

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Solution

The fourth proportional to 1,769.19, 2,441.52 and 983.49 is: 1,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.19 : 2,441.52 = 983.49 : x
  2. Step 2: Convert to fraction form
    1,769.19/2,441.52 = 983.49/x
  3. Step 3: Cross multiply
    1,769.19x = 2,441.52 × 983.49
  4. Step 4: Simplify right side
    1,769.19x = 2,401,210.50
  5. Step 5: Solve for x
    x = 2,401,210.50/1,769.19
  6. Step 6: Final answer
    x = 1,357.24

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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.