Home / 2,319.26-3,201.45-1,435.46

Finding the Fourth Proportional to 2,319.26, 3,201.45 and 1,435.46

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Solution

The fourth proportional to 2,319.26, 3,201.45 and 1,435.46 is: 1,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.26 : 3,201.45 = 1,435.46 : x
  2. Step 2: Convert to fraction form
    2,319.26/3,201.45 = 1,435.46/x
  3. Step 3: Cross multiply
    2,319.26x = 3,201.45 × 1,435.46
  4. Step 4: Simplify right side
    2,319.26x = 4,595,553.42
  5. Step 5: Solve for x
    x = 4,595,553.42/2,319.26
  6. Step 6: Final answer
    x = 1,981.47

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1.5x scale

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.