Home / 1,856.28-2,558.96-1,413.42

Finding the Fourth Proportional to 1,856.28, 2,558.96 and 1,413.42

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Solution

The fourth proportional to 1,856.28, 2,558.96 and 1,413.42 is: 1,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.28 : 2,558.96 = 1,413.42 : x
  2. Step 2: Convert to fraction form
    1,856.28/2,558.96 = 1,413.42/x
  3. Step 3: Cross multiply
    1,856.28x = 2,558.96 × 1,413.42
  4. Step 4: Simplify right side
    1,856.28x = 3,616,873.88
  5. Step 5: Solve for x
    x = 3,616,873.88/1,856.28
  6. Step 6: Final answer
    x = 1,948.45

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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.