Home / 2,848.13-4,272.65-1,205.15

Finding the Fourth Proportional to 2,848.13, 4,272.65 and 1,205.15

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Solution

The fourth proportional to 2,848.13, 4,272.65 and 1,205.15 is: 1,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.13 : 4,272.65 = 1,205.15 : x
  2. Step 2: Convert to fraction form
    2,848.13/4,272.65 = 1,205.15/x
  3. Step 3: Cross multiply
    2,848.13x = 4,272.65 × 1,205.15
  4. Step 4: Simplify right side
    2,848.13x = 5,149,161.28
  5. Step 5: Solve for x
    x = 5,149,161.28/2,848.13
  6. Step 6: Final answer
    x = 1,807.91

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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.