Home / 1,224.12-1,834.26-1,040.76

Finding the Fourth Proportional to 1,224.12, 1,834.26 and 1,040.76

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Solution

The fourth proportional to 1,224.12, 1,834.26 and 1,040.76 is: 1,559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.12 : 1,834.26 = 1,040.76 : x
  2. Step 2: Convert to fraction form
    1,224.12/1,834.26 = 1,040.76/x
  3. Step 3: Cross multiply
    1,224.12x = 1,834.26 × 1,040.76
  4. Step 4: Simplify right side
    1,224.12x = 1,909,024.44
  5. Step 5: Solve for x
    x = 1,909,024.44/1,224.12
  6. Step 6: Final answer
    x = 1,559.51

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1.5x scale

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.