Home / 2,047.47-2,825.58-1,115.97

Finding the Fourth Proportional to 2,047.47, 2,825.58 and 1,115.97

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Solution

The fourth proportional to 2,047.47, 2,825.58 and 1,115.97 is: 1,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.47 : 2,825.58 = 1,115.97 : x
  2. Step 2: Convert to fraction form
    2,047.47/2,825.58 = 1,115.97/x
  3. Step 3: Cross multiply
    2,047.47x = 2,825.58 × 1,115.97
  4. Step 4: Simplify right side
    2,047.47x = 3,153,262.51
  5. Step 5: Solve for x
    x = 3,153,262.51/2,047.47
  6. Step 6: Final answer
    x = 1,540.08

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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.