Home / 2,945.43-4,419.54-1,485.63

Finding the Fourth Proportional to 2,945.43, 4,419.54 and 1,485.63

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Solution

The fourth proportional to 2,945.43, 4,419.54 and 1,485.63 is: 2,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.43 : 4,419.54 = 1,485.63 : x
  2. Step 2: Convert to fraction form
    2,945.43/4,419.54 = 1,485.63/x
  3. Step 3: Cross multiply
    2,945.43x = 4,419.54 × 1,485.63
  4. Step 4: Simplify right side
    2,945.43x = 6,565,801.21
  5. Step 5: Solve for x
    x = 6,565,801.21/2,945.43
  6. Step 6: Final answer
    x = 2,229.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.