Home / 1,769.08-2,441.33-983.13

Finding the Fourth Proportional to 1,769.08, 2,441.33 and 983.13

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Solution

The fourth proportional to 1,769.08, 2,441.33 and 983.13 is: 1,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.08 : 2,441.33 = 983.13 : x
  2. Step 2: Convert to fraction form
    1,769.08/2,441.33 = 983.13/x
  3. Step 3: Cross multiply
    1,769.08x = 2,441.33 × 983.13
  4. Step 4: Simplify right side
    1,769.08x = 2,400,144.76
  5. Step 5: Solve for x
    x = 2,400,144.76/1,769.08
  6. Step 6: Final answer
    x = 1,356.72

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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.