Home / 1,455.40-2,183.26-589.48

Finding the Fourth Proportional to 1,455.40, 2,183.26 and 589.48

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Solution

The fourth proportional to 1,455.40, 2,183.26 and 589.48 is: 884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.40 : 2,183.26 = 589.48 : x
  2. Step 2: Convert to fraction form
    1,455.40/2,183.26 = 589.48/x
  3. Step 3: Cross multiply
    1,455.40x = 2,183.26 × 589.48
  4. Step 4: Simplify right side
    1,455.40x = 1,286,988.10
  5. Step 5: Solve for x
    x = 1,286,988.10/1,455.40
  6. Step 6: Final answer
    x = 884.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.