Home / 3,055.33-4,216.17-1,729.45

Finding the Fourth Proportional to 3,055.33, 4,216.17 and 1,729.45

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Solution

The fourth proportional to 3,055.33, 4,216.17 and 1,729.45 is: 2,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.33 : 4,216.17 = 1,729.45 : x
  2. Step 2: Convert to fraction form
    3,055.33/4,216.17 = 1,729.45/x
  3. Step 3: Cross multiply
    3,055.33x = 4,216.17 × 1,729.45
  4. Step 4: Simplify right side
    3,055.33x = 7,291,655.21
  5. Step 5: Solve for x
    x = 7,291,655.21/3,055.33
  6. Step 6: Final answer
    x = 2,386.54

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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.