Home / 1,465.26-2,022.05-835.78

Finding the Fourth Proportional to 1,465.26, 2,022.05 and 835.78

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Solution

The fourth proportional to 1,465.26, 2,022.05 and 835.78 is: 1,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.26 : 2,022.05 = 835.78 : x
  2. Step 2: Convert to fraction form
    1,465.26/2,022.05 = 835.78/x
  3. Step 3: Cross multiply
    1,465.26x = 2,022.05 × 835.78
  4. Step 4: Simplify right side
    1,465.26x = 1,689,988.95
  5. Step 5: Solve for x
    x = 1,689,988.95/1,465.26
  6. Step 6: Final answer
    x = 1,153.37

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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.