Home / 4,078.51-5,630.07-2,754.01

Finding the Fourth Proportional to 4,078.51, 5,630.07 and 2,754.01

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Solution

The fourth proportional to 4,078.51, 5,630.07 and 2,754.01 is: 3,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.51 : 5,630.07 = 2,754.01 : x
  2. Step 2: Convert to fraction form
    4,078.51/5,630.07 = 2,754.01/x
  3. Step 3: Cross multiply
    4,078.51x = 5,630.07 × 2,754.01
  4. Step 4: Simplify right side
    4,078.51x = 15,505,269.08
  5. Step 5: Solve for x
    x = 15,505,269.08/4,078.51
  6. Step 6: Final answer
    x = 3,801.70

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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.