Home / 1,360.26-2,040.50-435.94

Finding the Fourth Proportional to 1,360.26, 2,040.50 and 435.94

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Solution

The fourth proportional to 1,360.26, 2,040.50 and 435.94 is: 653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.26 : 2,040.50 = 435.94 : x
  2. Step 2: Convert to fraction form
    1,360.26/2,040.50 = 435.94/x
  3. Step 3: Cross multiply
    1,360.26x = 2,040.50 × 435.94
  4. Step 4: Simplify right side
    1,360.26x = 889,535.57
  5. Step 5: Solve for x
    x = 889,535.57/1,360.26
  6. Step 6: Final answer
    x = 653.95

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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.