Home / 1,618.24-2,423.37-923.19

Finding the Fourth Proportional to 1,618.24, 2,423.37 and 923.19

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Solution

The fourth proportional to 1,618.24, 2,423.37 and 923.19 is: 1,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.24 : 2,423.37 = 923.19 : x
  2. Step 2: Convert to fraction form
    1,618.24/2,423.37 = 923.19/x
  3. Step 3: Cross multiply
    1,618.24x = 2,423.37 × 923.19
  4. Step 4: Simplify right side
    1,618.24x = 2,237,226.33
  5. Step 5: Solve for x
    x = 2,237,226.33/1,618.24
  6. Step 6: Final answer
    x = 1,382.51

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1.5x scale

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.