Home / 3,055.42-4,216.35-1,729.25

Finding the Fourth Proportional to 3,055.42, 4,216.35 and 1,729.25

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Solution

The fourth proportional to 3,055.42, 4,216.35 and 1,729.25 is: 2,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.42 : 4,216.35 = 1,729.25 : x
  2. Step 2: Convert to fraction form
    3,055.42/4,216.35 = 1,729.25/x
  3. Step 3: Cross multiply
    3,055.42x = 4,216.35 × 1,729.25
  4. Step 4: Simplify right side
    3,055.42x = 7,291,124.45
  5. Step 5: Solve for x
    x = 7,291,124.45/3,055.42
  6. Step 6: Final answer
    x = 2,386.29

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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.