Home / 2,699.36-3,725.63-1,520.43

Finding the Fourth Proportional to 2,699.36, 3,725.63 and 1,520.43

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Solution

The fourth proportional to 2,699.36, 3,725.63 and 1,520.43 is: 2,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.36 : 3,725.63 = 1,520.43 : x
  2. Step 2: Convert to fraction form
    2,699.36/3,725.63 = 1,520.43/x
  3. Step 3: Cross multiply
    2,699.36x = 3,725.63 × 1,520.43
  4. Step 4: Simplify right side
    2,699.36x = 5,664,552.02
  5. Step 5: Solve for x
    x = 5,664,552.02/2,699.36
  6. Step 6: Final answer
    x = 2,098.48

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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.