Home / 2,761.34-3,810.77-1,699.15

Finding the Fourth Proportional to 2,761.34, 3,810.77 and 1,699.15

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Solution

The fourth proportional to 2,761.34, 3,810.77 and 1,699.15 is: 2,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.34 : 3,810.77 = 1,699.15 : x
  2. Step 2: Convert to fraction form
    2,761.34/3,810.77 = 1,699.15/x
  3. Step 3: Cross multiply
    2,761.34x = 3,810.77 × 1,699.15
  4. Step 4: Simplify right side
    2,761.34x = 6,475,080.84
  5. Step 5: Solve for x
    x = 6,475,080.84/2,761.34
  6. Step 6: Final answer
    x = 2,344.90

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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.