Home / 1,769.92-2,440.60-1,106.60

Finding the Fourth Proportional to 1,769.92, 2,440.60 and 1,106.60

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Solution

The fourth proportional to 1,769.92, 2,440.60 and 1,106.60 is: 1,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.92 : 2,440.60 = 1,106.60 : x
  2. Step 2: Convert to fraction form
    1,769.92/2,440.60 = 1,106.60/x
  3. Step 3: Cross multiply
    1,769.92x = 2,440.60 × 1,106.60
  4. Step 4: Simplify right side
    1,769.92x = 2,700,752.99
  5. Step 5: Solve for x
    x = 2,700,752.99/1,769.92
  6. Step 6: Final answer
    x = 1,525.92

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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.