Home / 1,848.96-2,551.92-1,319.28

Finding the Fourth Proportional to 1,848.96, 2,551.92 and 1,319.28

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Solution

The fourth proportional to 1,848.96, 2,551.92 and 1,319.28 is: 1,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.96 : 2,551.92 = 1,319.28 : x
  2. Step 2: Convert to fraction form
    1,848.96/2,551.92 = 1,319.28/x
  3. Step 3: Cross multiply
    1,848.96x = 2,551.92 × 1,319.28
  4. Step 4: Simplify right side
    1,848.96x = 3,366,697.02
  5. Step 5: Solve for x
    x = 3,366,697.02/1,848.96
  6. Step 6: Final answer
    x = 1,820.86

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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.