Home / 1,465.55-2,021.22-1,319.75

Finding the Fourth Proportional to 1,465.55, 2,021.22 and 1,319.75

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Solution

The fourth proportional to 1,465.55, 2,021.22 and 1,319.75 is: 1,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.55 : 2,021.22 = 1,319.75 : x
  2. Step 2: Convert to fraction form
    1,465.55/2,021.22 = 1,319.75/x
  3. Step 3: Cross multiply
    1,465.55x = 2,021.22 × 1,319.75
  4. Step 4: Simplify right side
    1,465.55x = 2,667,505.10
  5. Step 5: Solve for x
    x = 2,667,505.10/1,465.55
  6. Step 6: Final answer
    x = 1,820.14

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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.