Home / 1,928.19-2,897.04-1,235.16

Finding the Fourth Proportional to 1,928.19, 2,897.04 and 1,235.16

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Solution

The fourth proportional to 1,928.19, 2,897.04 and 1,235.16 is: 1,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.19 : 2,897.04 = 1,235.16 : x
  2. Step 2: Convert to fraction form
    1,928.19/2,897.04 = 1,235.16/x
  3. Step 3: Cross multiply
    1,928.19x = 2,897.04 × 1,235.16
  4. Step 4: Simplify right side
    1,928.19x = 3,578,307.93
  5. Step 5: Solve for x
    x = 3,578,307.93/1,928.19
  6. Step 6: Final answer
    x = 1,855.79

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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.