Home / 2,046.20-2,823.75-1,114.70

Finding the Fourth Proportional to 2,046.20, 2,823.75 and 1,114.70

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Solution

The fourth proportional to 2,046.20, 2,823.75 and 1,114.70 is: 1,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.20 : 2,823.75 = 1,114.70 : x
  2. Step 2: Convert to fraction form
    2,046.20/2,823.75 = 1,114.70/x
  3. Step 3: Cross multiply
    2,046.20x = 2,823.75 × 1,114.70
  4. Step 4: Simplify right side
    2,046.20x = 3,147,620.01
  5. Step 5: Solve for x
    x = 3,147,620.01/2,046.20
  6. Step 6: Final answer
    x = 1,538.28

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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.