Home / 2,848.68-4,272.14-1,205.20

Finding the Fourth Proportional to 2,848.68, 4,272.14 and 1,205.20

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Solution

The fourth proportional to 2,848.68, 4,272.14 and 1,205.20 is: 1,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.68 : 4,272.14 = 1,205.20 : x
  2. Step 2: Convert to fraction form
    2,848.68/4,272.14 = 1,205.20/x
  3. Step 3: Cross multiply
    2,848.68x = 4,272.14 × 1,205.20
  4. Step 4: Simplify right side
    2,848.68x = 5,148,783.13
  5. Step 5: Solve for x
    x = 5,148,783.13/2,848.68
  6. Step 6: Final answer
    x = 1,807.43

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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.