Home / 2,848.66-4,276.59-1,987.54

Finding the Fourth Proportional to 2,848.66, 4,276.59 and 1,987.54

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Solution

The fourth proportional to 2,848.66, 4,276.59 and 1,987.54 is: 2,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.66 : 4,276.59 = 1,987.54 : x
  2. Step 2: Convert to fraction form
    2,848.66/4,276.59 = 1,987.54/x
  3. Step 3: Cross multiply
    2,848.66x = 4,276.59 × 1,987.54
  4. Step 4: Simplify right side
    2,848.66x = 8,499,893.69
  5. Step 5: Solve for x
    x = 8,499,893.69/2,848.66
  6. Step 6: Final answer
    x = 2,983.82

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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.