Home / 2,808.52-4,183.35-2,666.37

Finding the Fourth Proportional to 2,808.52, 4,183.35 and 2,666.37

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Solution

The fourth proportional to 2,808.52, 4,183.35 and 2,666.37 is: 3,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.52 : 4,183.35 = 2,666.37 : x
  2. Step 2: Convert to fraction form
    2,808.52/4,183.35 = 2,666.37/x
  3. Step 3: Cross multiply
    2,808.52x = 4,183.35 × 2,666.37
  4. Step 4: Simplify right side
    2,808.52x = 11,154,341.10
  5. Step 5: Solve for x
    x = 11,154,341.10/2,808.52
  6. Step 6: Final answer
    x = 3,971.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.