Home / 3,815.34-5,259.42-2,693.07

Finding the Fourth Proportional to 3,815.34, 5,259.42 and 2,693.07

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Solution

The fourth proportional to 3,815.34, 5,259.42 and 2,693.07 is: 3,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.34 : 5,259.42 = 2,693.07 : x
  2. Step 2: Convert to fraction form
    3,815.34/5,259.42 = 2,693.07/x
  3. Step 3: Cross multiply
    3,815.34x = 5,259.42 × 2,693.07
  4. Step 4: Simplify right side
    3,815.34x = 14,163,986.22
  5. Step 5: Solve for x
    x = 14,163,986.22/3,815.34
  6. Step 6: Final answer
    x = 3,712.38

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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.