Home / 3,242.13-4,855.40-1,851.25

Finding the Fourth Proportional to 3,242.13, 4,855.40 and 1,851.25

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Solution

The fourth proportional to 3,242.13, 4,855.40 and 1,851.25 is: 2,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.13 : 4,855.40 = 1,851.25 : x
  2. Step 2: Convert to fraction form
    3,242.13/4,855.40 = 1,851.25/x
  3. Step 3: Cross multiply
    3,242.13x = 4,855.40 × 1,851.25
  4. Step 4: Simplify right side
    3,242.13x = 8,988,525.72
  5. Step 5: Solve for x
    x = 8,988,525.72/3,242.13
  6. Step 6: Final answer
    x = 2,772.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.