Home / 2,848.32-3,930.59-1,670.18

Finding the Fourth Proportional to 2,848.32, 3,930.59 and 1,670.18

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Solution

The fourth proportional to 2,848.32, 3,930.59 and 1,670.18 is: 2,304.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.32 : 3,930.59 = 1,670.18 : x
  2. Step 2: Convert to fraction form
    2,848.32/3,930.59 = 1,670.18/x
  3. Step 3: Cross multiply
    2,848.32x = 3,930.59 × 1,670.18
  4. Step 4: Simplify right side
    2,848.32x = 6,564,777.33
  5. Step 5: Solve for x
    x = 6,564,777.33/2,848.32
  6. Step 6: Final answer
    x = 2,304.79

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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.