Home / 3,051.81-4,211.29-1,725.44

Finding the Fourth Proportional to 3,051.81, 4,211.29 and 1,725.44

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Solution

The fourth proportional to 3,051.81, 4,211.29 and 1,725.44 is: 2,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.81 : 4,211.29 = 1,725.44 : x
  2. Step 2: Convert to fraction form
    3,051.81/4,211.29 = 1,725.44/x
  3. Step 3: Cross multiply
    3,051.81x = 4,211.29 × 1,725.44
  4. Step 4: Simplify right side
    3,051.81x = 7,266,309.32
  5. Step 5: Solve for x
    x = 7,266,309.32/3,051.81
  6. Step 6: Final answer
    x = 2,380.98

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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.