Home / 2,848.54-4,272.84-1,386.45

Finding the Fourth Proportional to 2,848.54, 4,272.84 and 1,386.45

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Solution

The fourth proportional to 2,848.54, 4,272.84 and 1,386.45 is: 2,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.54 : 4,272.84 = 1,386.45 : x
  2. Step 2: Convert to fraction form
    2,848.54/4,272.84 = 1,386.45/x
  3. Step 3: Cross multiply
    2,848.54x = 4,272.84 × 1,386.45
  4. Step 4: Simplify right side
    2,848.54x = 5,924,079.02
  5. Step 5: Solve for x
    x = 5,924,079.02/2,848.54
  6. Step 6: Final answer
    x = 2,079.69

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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.