Home / 1,623.08-2,235.48-1,618.28

Finding the Fourth Proportional to 1,623.08, 2,235.48 and 1,618.28

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Solution

The fourth proportional to 1,623.08, 2,235.48 and 1,618.28 is: 2,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.08 : 2,235.48 = 1,618.28 : x
  2. Step 2: Convert to fraction form
    1,623.08/2,235.48 = 1,618.28/x
  3. Step 3: Cross multiply
    1,623.08x = 2,235.48 × 1,618.28
  4. Step 4: Simplify right side
    1,623.08x = 3,617,632.57
  5. Step 5: Solve for x
    x = 3,617,632.57/1,623.08
  6. Step 6: Final answer
    x = 2,228.87

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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.