Home / 4,087.78-5,642.40-3,041.26

Finding the Fourth Proportional to 4,087.78, 5,642.40 and 3,041.26

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Solution

The fourth proportional to 4,087.78, 5,642.40 and 3,041.26 is: 4,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.78 : 5,642.40 = 3,041.26 : x
  2. Step 2: Convert to fraction form
    4,087.78/5,642.40 = 3,041.26/x
  3. Step 3: Cross multiply
    4,087.78x = 5,642.40 × 3,041.26
  4. Step 4: Simplify right side
    4,087.78x = 17,160,005.42
  5. Step 5: Solve for x
    x = 17,160,005.42/4,087.78
  6. Step 6: Final answer
    x = 4,197.88

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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.