Home / 2,269.49-3,131.93-1,325.23

Finding the Fourth Proportional to 2,269.49, 3,131.93 and 1,325.23

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Solution

The fourth proportional to 2,269.49, 3,131.93 and 1,325.23 is: 1,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.49 : 3,131.93 = 1,325.23 : x
  2. Step 2: Convert to fraction form
    2,269.49/3,131.93 = 1,325.23/x
  3. Step 3: Cross multiply
    2,269.49x = 3,131.93 × 1,325.23
  4. Step 4: Simplify right side
    2,269.49x = 4,150,523.08
  5. Step 5: Solve for x
    x = 4,150,523.08/2,269.49
  6. Step 6: Final answer
    x = 1,828.84

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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.