Home / 3,771.04-5,656.40-1,272.06

Finding the Fourth Proportional to 3,771.04, 5,656.40 and 1,272.06

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Solution

The fourth proportional to 3,771.04, 5,656.40 and 1,272.06 is: 1,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.04 : 5,656.40 = 1,272.06 : x
  2. Step 2: Convert to fraction form
    3,771.04/5,656.40 = 1,272.06/x
  3. Step 3: Cross multiply
    3,771.04x = 5,656.40 × 1,272.06
  4. Step 4: Simplify right side
    3,771.04x = 7,195,278.59
  5. Step 5: Solve for x
    x = 7,195,278.59/3,771.04
  6. Step 6: Final answer
    x = 1,908.04

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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.