Home / 1,965.15-2,948.67-1,235.34

Finding the Fourth Proportional to 1,965.15, 2,948.67 and 1,235.34

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Solution

The fourth proportional to 1,965.15, 2,948.67 and 1,235.34 is: 1,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.15 : 2,948.67 = 1,235.34 : x
  2. Step 2: Convert to fraction form
    1,965.15/2,948.67 = 1,235.34/x
  3. Step 3: Cross multiply
    1,965.15x = 2,948.67 × 1,235.34
  4. Step 4: Simplify right side
    1,965.15x = 3,642,610.00
  5. Step 5: Solve for x
    x = 3,642,610.00/1,965.15
  6. Step 6: Final answer
    x = 1,853.60

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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.