Home / 1,944.80-2,680.68-1,692.08

Finding the Fourth Proportional to 1,944.80, 2,680.68 and 1,692.08

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Solution

The fourth proportional to 1,944.80, 2,680.68 and 1,692.08 is: 2,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.80 : 2,680.68 = 1,692.08 : x
  2. Step 2: Convert to fraction form
    1,944.80/2,680.68 = 1,692.08/x
  3. Step 3: Cross multiply
    1,944.80x = 2,680.68 × 1,692.08
  4. Step 4: Simplify right side
    1,944.80x = 4,535,925.01
  5. Step 5: Solve for x
    x = 4,535,925.01/1,944.80
  6. Step 6: Final answer
    x = 2,332.33

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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.