Home / 1,406.83-2,110.12-626.87

Finding the Fourth Proportional to 1,406.83, 2,110.12 and 626.87

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Solution

The fourth proportional to 1,406.83, 2,110.12 and 626.87 is: 940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.83 : 2,110.12 = 626.87 : x
  2. Step 2: Convert to fraction form
    1,406.83/2,110.12 = 626.87/x
  3. Step 3: Cross multiply
    1,406.83x = 2,110.12 × 626.87
  4. Step 4: Simplify right side
    1,406.83x = 1,322,770.92
  5. Step 5: Solve for x
    x = 1,322,770.92/1,406.83
  6. Step 6: Final answer
    x = 940.25

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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.