Home / 1,900.16-2,848.80-1,692.80

Finding the Fourth Proportional to 1,900.16, 2,848.80 and 1,692.80

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Solution

The fourth proportional to 1,900.16, 2,848.80 and 1,692.80 is: 2,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.16 : 2,848.80 = 1,692.80 : x
  2. Step 2: Convert to fraction form
    1,900.16/2,848.80 = 1,692.80/x
  3. Step 3: Cross multiply
    1,900.16x = 2,848.80 × 1,692.80
  4. Step 4: Simplify right side
    1,900.16x = 4,822,448.64
  5. Step 5: Solve for x
    x = 4,822,448.64/1,900.16
  6. Step 6: Final answer
    x = 2,537.92

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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.