Home / 2,957.76-4,436.19-1,858.77

Finding the Fourth Proportional to 2,957.76, 4,436.19 and 1,858.77

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Solution

The fourth proportional to 2,957.76, 4,436.19 and 1,858.77 is: 2,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.76 : 4,436.19 = 1,858.77 : x
  2. Step 2: Convert to fraction form
    2,957.76/4,436.19 = 1,858.77/x
  3. Step 3: Cross multiply
    2,957.76x = 4,436.19 × 1,858.77
  4. Step 4: Simplify right side
    2,957.76x = 8,245,856.89
  5. Step 5: Solve for x
    x = 8,245,856.89/2,957.76
  6. Step 6: Final answer
    x = 2,787.87

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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.