Home / 1,965.61-2,948.39-1,235.69

Finding the Fourth Proportional to 1,965.61, 2,948.39 and 1,235.69

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Solution

The fourth proportional to 1,965.61, 2,948.39 and 1,235.69 is: 1,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.61 : 2,948.39 = 1,235.69 : x
  2. Step 2: Convert to fraction form
    1,965.61/2,948.39 = 1,235.69/x
  3. Step 3: Cross multiply
    1,965.61x = 2,948.39 × 1,235.69
  4. Step 4: Simplify right side
    1,965.61x = 3,643,296.04
  5. Step 5: Solve for x
    x = 3,643,296.04/1,965.61
  6. Step 6: Final answer
    x = 1,853.52

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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.