Home / 2,253.24-3,109.68-1,369.53

Finding the Fourth Proportional to 2,253.24, 3,109.68 and 1,369.53

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Solution

The fourth proportional to 2,253.24, 3,109.68 and 1,369.53 is: 1,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.24 : 3,109.68 = 1,369.53 : x
  2. Step 2: Convert to fraction form
    2,253.24/3,109.68 = 1,369.53/x
  3. Step 3: Cross multiply
    2,253.24x = 3,109.68 × 1,369.53
  4. Step 4: Simplify right side
    2,253.24x = 4,258,800.05
  5. Step 5: Solve for x
    x = 4,258,800.05/2,253.24
  6. Step 6: Final answer
    x = 1,890.08

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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.