Home / 2,957.27-4,428.62-1,858.91

Finding the Fourth Proportional to 2,957.27, 4,428.62 and 1,858.91

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Solution

The fourth proportional to 2,957.27, 4,428.62 and 1,858.91 is: 2,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.27 : 4,428.62 = 1,858.91 : x
  2. Step 2: Convert to fraction form
    2,957.27/4,428.62 = 1,858.91/x
  3. Step 3: Cross multiply
    2,957.27x = 4,428.62 × 1,858.91
  4. Step 4: Simplify right side
    2,957.27x = 8,232,396.71
  5. Step 5: Solve for x
    x = 8,232,396.71/2,957.27
  6. Step 6: Final answer
    x = 2,783.78

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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.