Home / 2,945.58-4,065.66-1,825.86

Finding the Fourth Proportional to 2,945.58, 4,065.66 and 1,825.86

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Solution

The fourth proportional to 2,945.58, 4,065.66 and 1,825.86 is: 2,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.58 : 4,065.66 = 1,825.86 : x
  2. Step 2: Convert to fraction form
    2,945.58/4,065.66 = 1,825.86/x
  3. Step 3: Cross multiply
    2,945.58x = 4,065.66 × 1,825.86
  4. Step 4: Simplify right side
    2,945.58x = 7,423,325.97
  5. Step 5: Solve for x
    x = 7,423,325.97/2,945.58
  6. Step 6: Final answer
    x = 2,520.16

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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.