Home / 4,160.36-5,739.45-2,815.49

Finding the Fourth Proportional to 4,160.36, 5,739.45 and 2,815.49

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Solution

The fourth proportional to 4,160.36, 5,739.45 and 2,815.49 is: 3,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.36 : 5,739.45 = 2,815.49 : x
  2. Step 2: Convert to fraction form
    4,160.36/5,739.45 = 2,815.49/x
  3. Step 3: Cross multiply
    4,160.36x = 5,739.45 × 2,815.49
  4. Step 4: Simplify right side
    4,160.36x = 16,159,364.08
  5. Step 5: Solve for x
    x = 16,159,364.08/4,160.36
  6. Step 6: Final answer
    x = 3,884.13

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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.