Home / 2,056.65-2,840.25-1,310.96

Finding the Fourth Proportional to 2,056.65, 2,840.25 and 1,310.96

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Solution

The fourth proportional to 2,056.65, 2,840.25 and 1,310.96 is: 1,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.65 : 2,840.25 = 1,310.96 : x
  2. Step 2: Convert to fraction form
    2,056.65/2,840.25 = 1,310.96/x
  3. Step 3: Cross multiply
    2,056.65x = 2,840.25 × 1,310.96
  4. Step 4: Simplify right side
    2,056.65x = 3,723,439.94
  5. Step 5: Solve for x
    x = 3,723,439.94/2,056.65
  6. Step 6: Final answer
    x = 1,810.44

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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.