Home / 1,465.08-2,020.38-1,255.98

Finding the Fourth Proportional to 1,465.08, 2,020.38 and 1,255.98

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Solution

The fourth proportional to 1,465.08, 2,020.38 and 1,255.98 is: 1,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.08 : 2,020.38 = 1,255.98 : x
  2. Step 2: Convert to fraction form
    1,465.08/2,020.38 = 1,255.98/x
  3. Step 3: Cross multiply
    1,465.08x = 2,020.38 × 1,255.98
  4. Step 4: Simplify right side
    1,465.08x = 2,537,556.87
  5. Step 5: Solve for x
    x = 2,537,556.87/1,465.08
  6. Step 6: Final answer
    x = 1,732.03

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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.