Home / 3,045.44-4,202.67-1,719.57

Finding the Fourth Proportional to 3,045.44, 4,202.67 and 1,719.57

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Solution

The fourth proportional to 3,045.44, 4,202.67 and 1,719.57 is: 2,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.44 : 4,202.67 = 1,719.57 : x
  2. Step 2: Convert to fraction form
    3,045.44/4,202.67 = 1,719.57/x
  3. Step 3: Cross multiply
    3,045.44x = 4,202.67 × 1,719.57
  4. Step 4: Simplify right side
    3,045.44x = 7,226,785.25
  5. Step 5: Solve for x
    x = 7,226,785.25/3,045.44
  6. Step 6: Final answer
    x = 2,372.99

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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.