Home / 2,017.76-2,783.52-1,271.36

Finding the Fourth Proportional to 2,017.76, 2,783.52 and 1,271.36

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Solution

The fourth proportional to 2,017.76, 2,783.52 and 1,271.36 is: 1,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.76 : 2,783.52 = 1,271.36 : x
  2. Step 2: Convert to fraction form
    2,017.76/2,783.52 = 1,271.36/x
  3. Step 3: Cross multiply
    2,017.76x = 2,783.52 × 1,271.36
  4. Step 4: Simplify right side
    2,017.76x = 3,538,855.99
  5. Step 5: Solve for x
    x = 3,538,855.99/2,017.76
  6. Step 6: Final answer
    x = 1,753.85

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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.