Home / 1,485.08-2,223.97-1,045.25

Finding the Fourth Proportional to 1,485.08, 2,223.97 and 1,045.25

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Solution

The fourth proportional to 1,485.08, 2,223.97 and 1,045.25 is: 1,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.08 : 2,223.97 = 1,045.25 : x
  2. Step 2: Convert to fraction form
    1,485.08/2,223.97 = 1,045.25/x
  3. Step 3: Cross multiply
    1,485.08x = 2,223.97 × 1,045.25
  4. Step 4: Simplify right side
    1,485.08x = 2,324,590.91
  5. Step 5: Solve for x
    x = 2,324,590.91/1,485.08
  6. Step 6: Final answer
    x = 1,565.30

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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.