Home / 1,669.03-2,303.26-1,165.61

Finding the Fourth Proportional to 1,669.03, 2,303.26 and 1,165.61

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Solution

The fourth proportional to 1,669.03, 2,303.26 and 1,165.61 is: 1,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.03 : 2,303.26 = 1,165.61 : x
  2. Step 2: Convert to fraction form
    1,669.03/2,303.26 = 1,165.61/x
  3. Step 3: Cross multiply
    1,669.03x = 2,303.26 × 1,165.61
  4. Step 4: Simplify right side
    1,669.03x = 2,684,702.89
  5. Step 5: Solve for x
    x = 2,684,702.89/1,669.03
  6. Step 6: Final answer
    x = 1,608.55

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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.