Home / 1,465.15-2,021.96-835.58

Finding the Fourth Proportional to 1,465.15, 2,021.96 and 835.58

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Solution

The fourth proportional to 1,465.15, 2,021.96 and 835.58 is: 1,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.15 : 2,021.96 = 835.58 : x
  2. Step 2: Convert to fraction form
    1,465.15/2,021.96 = 835.58/x
  3. Step 3: Cross multiply
    1,465.15x = 2,021.96 × 835.58
  4. Step 4: Simplify right side
    1,465.15x = 1,689,499.23
  5. Step 5: Solve for x
    x = 1,689,499.23/1,465.15
  6. Step 6: Final answer
    x = 1,153.12

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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.