Home / 1,827.65-2,520.48-1,563.09

Finding the Fourth Proportional to 1,827.65, 2,520.48 and 1,563.09

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Solution

The fourth proportional to 1,827.65, 2,520.48 and 1,563.09 is: 2,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.65 : 2,520.48 = 1,563.09 : x
  2. Step 2: Convert to fraction form
    1,827.65/2,520.48 = 1,563.09/x
  3. Step 3: Cross multiply
    1,827.65x = 2,520.48 × 1,563.09
  4. Step 4: Simplify right side
    1,827.65x = 3,939,737.08
  5. Step 5: Solve for x
    x = 3,939,737.08/1,827.65
  6. Step 6: Final answer
    x = 2,155.63

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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.