Home / 1,848-2,768.36-1,386.30

Finding the Fourth Proportional to 1,848, 2,768.36 and 1,386.30

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Solution

The fourth proportional to 1,848, 2,768.36 and 1,386.30 is: 2,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848 : 2,768.36 = 1,386.30 : x
  2. Step 2: Convert to fraction form
    1,848/2,768.36 = 1,386.30/x
  3. Step 3: Cross multiply
    1,848x = 2,768.36 × 1,386.30
  4. Step 4: Simplify right side
    1,848x = 3,837,777.47
  5. Step 5: Solve for x
    x = 3,837,777.47/1,848
  6. Step 6: Final answer
    x = 2,076.72

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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.