Home / 2,848.14-3,929.28-1,853.06

Finding the Fourth Proportional to 2,848.14, 3,929.28 and 1,853.06

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Solution

The fourth proportional to 2,848.14, 3,929.28 and 1,853.06 is: 2,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.14 : 3,929.28 = 1,853.06 : x
  2. Step 2: Convert to fraction form
    2,848.14/3,929.28 = 1,853.06/x
  3. Step 3: Cross multiply
    2,848.14x = 3,929.28 × 1,853.06
  4. Step 4: Simplify right side
    2,848.14x = 7,281,171.95
  5. Step 5: Solve for x
    x = 7,281,171.95/2,848.14
  6. Step 6: Final answer
    x = 2,556.47

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1.5x scale

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.