Home / 2,848.95-4,270.50-1,809.72

Finding the Fourth Proportional to 2,848.95, 4,270.50 and 1,809.72

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Solution

The fourth proportional to 2,848.95, 4,270.50 and 1,809.72 is: 2,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.95 : 4,270.50 = 1,809.72 : x
  2. Step 2: Convert to fraction form
    2,848.95/4,270.50 = 1,809.72/x
  3. Step 3: Cross multiply
    2,848.95x = 4,270.50 × 1,809.72
  4. Step 4: Simplify right side
    2,848.95x = 7,728,409.26
  5. Step 5: Solve for x
    x = 7,728,409.26/2,848.95
  6. Step 6: Final answer
    x = 2,712.72

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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.