Home / 2,750.01-3,794.35-1,555.02

Finding the Fourth Proportional to 2,750.01, 3,794.35 and 1,555.02

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Solution

The fourth proportional to 2,750.01, 3,794.35 and 1,555.02 is: 2,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.01 : 3,794.35 = 1,555.02 : x
  2. Step 2: Convert to fraction form
    2,750.01/3,794.35 = 1,555.02/x
  3. Step 3: Cross multiply
    2,750.01x = 3,794.35 × 1,555.02
  4. Step 4: Simplify right side
    2,750.01x = 5,900,304.21
  5. Step 5: Solve for x
    x = 5,900,304.21/2,750.01
  6. Step 6: Final answer
    x = 2,145.56

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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.