Home / 1,764.21-2,435.10-1,100.69

Finding the Fourth Proportional to 1,764.21, 2,435.10 and 1,100.69

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Solution

The fourth proportional to 1,764.21, 2,435.10 and 1,100.69 is: 1,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.21 : 2,435.10 = 1,100.69 : x
  2. Step 2: Convert to fraction form
    1,764.21/2,435.10 = 1,100.69/x
  3. Step 3: Cross multiply
    1,764.21x = 2,435.10 × 1,100.69
  4. Step 4: Simplify right side
    1,764.21x = 2,680,283.05
  5. Step 5: Solve for x
    x = 2,680,283.05/1,764.21
  6. Step 6: Final answer
    x = 1,519.25

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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.