Home / 1,811.45-2,499.68-1,014.64

Finding the Fourth Proportional to 1,811.45, 2,499.68 and 1,014.64

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Solution

The fourth proportional to 1,811.45, 2,499.68 and 1,014.64 is: 1,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.45 : 2,499.68 = 1,014.64 : x
  2. Step 2: Convert to fraction form
    1,811.45/2,499.68 = 1,014.64/x
  3. Step 3: Cross multiply
    1,811.45x = 2,499.68 × 1,014.64
  4. Step 4: Simplify right side
    1,811.45x = 2,536,279.96
  5. Step 5: Solve for x
    x = 2,536,279.96/1,811.45
  6. Step 6: Final answer
    x = 1,400.14

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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.