Home / 2,055.03-2,836.08-1,170.78

Finding the Fourth Proportional to 2,055.03, 2,836.08 and 1,170.78

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Solution

The fourth proportional to 2,055.03, 2,836.08 and 1,170.78 is: 1,615.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.03 : 2,836.08 = 1,170.78 : x
  2. Step 2: Convert to fraction form
    2,055.03/2,836.08 = 1,170.78/x
  3. Step 3: Cross multiply
    2,055.03x = 2,836.08 × 1,170.78
  4. Step 4: Simplify right side
    2,055.03x = 3,320,425.74
  5. Step 5: Solve for x
    x = 3,320,425.74/2,055.03
  6. Step 6: Final answer
    x = 1,615.76

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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.