Home / 2,761.08-3,811.16-1,699.18

Finding the Fourth Proportional to 2,761.08, 3,811.16 and 1,699.18

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Solution

The fourth proportional to 2,761.08, 3,811.16 and 1,699.18 is: 2,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.08 : 3,811.16 = 1,699.18 : x
  2. Step 2: Convert to fraction form
    2,761.08/3,811.16 = 1,699.18/x
  3. Step 3: Cross multiply
    2,761.08x = 3,811.16 × 1,699.18
  4. Step 4: Simplify right side
    2,761.08x = 6,475,846.85
  5. Step 5: Solve for x
    x = 6,475,846.85/2,761.08
  6. Step 6: Final answer
    x = 2,345.40

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1.5x scale

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.