Home / 1,810.08-2,493.48-1,311.24

Finding the Fourth Proportional to 1,810.08, 2,493.48 and 1,311.24

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Solution

The fourth proportional to 1,810.08, 2,493.48 and 1,311.24 is: 1,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.08 : 2,493.48 = 1,311.24 : x
  2. Step 2: Convert to fraction form
    1,810.08/2,493.48 = 1,311.24/x
  3. Step 3: Cross multiply
    1,810.08x = 2,493.48 × 1,311.24
  4. Step 4: Simplify right side
    1,810.08x = 3,269,550.72
  5. Step 5: Solve for x
    x = 3,269,550.72/1,810.08
  6. Step 6: Final answer
    x = 1,806.30

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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.