Home / 1,848.47-2,551.96-1,378.95

Finding the Fourth Proportional to 1,848.47, 2,551.96 and 1,378.95

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Solution

The fourth proportional to 1,848.47, 2,551.96 and 1,378.95 is: 1,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.47 : 2,551.96 = 1,378.95 : x
  2. Step 2: Convert to fraction form
    1,848.47/2,551.96 = 1,378.95/x
  3. Step 3: Cross multiply
    1,848.47x = 2,551.96 × 1,378.95
  4. Step 4: Simplify right side
    1,848.47x = 3,519,016.82
  5. Step 5: Solve for x
    x = 3,519,016.82/1,848.47
  6. Step 6: Final answer
    x = 1,903.75

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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.