Home / 2,666.10-3,994.70-1,884.66

Finding the Fourth Proportional to 2,666.10, 3,994.70 and 1,884.66

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Solution

The fourth proportional to 2,666.10, 3,994.70 and 1,884.66 is: 2,823.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.10 : 3,994.70 = 1,884.66 : x
  2. Step 2: Convert to fraction form
    2,666.10/3,994.70 = 1,884.66/x
  3. Step 3: Cross multiply
    2,666.10x = 3,994.70 × 1,884.66
  4. Step 4: Simplify right side
    2,666.10x = 7,528,651.30
  5. Step 5: Solve for x
    x = 7,528,651.30/2,666.10
  6. Step 6: Final answer
    x = 2,823.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.