Home / 2,263.77-3,123.96-1,269.09

Finding the Fourth Proportional to 2,263.77, 3,123.96 and 1,269.09

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Solution

The fourth proportional to 2,263.77, 3,123.96 and 1,269.09 is: 1,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.77 : 3,123.96 = 1,269.09 : x
  2. Step 2: Convert to fraction form
    2,263.77/3,123.96 = 1,269.09/x
  3. Step 3: Cross multiply
    2,263.77x = 3,123.96 × 1,269.09
  4. Step 4: Simplify right side
    2,263.77x = 3,964,586.40
  5. Step 5: Solve for x
    x = 3,964,586.40/2,263.77
  6. Step 6: Final answer
    x = 1,751.32

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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.