Home / 3,045.26-4,202.12-1,718.72

Finding the Fourth Proportional to 3,045.26, 4,202.12 and 1,718.72

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Solution

The fourth proportional to 3,045.26, 4,202.12 and 1,718.72 is: 2,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.26 : 4,202.12 = 1,718.72 : x
  2. Step 2: Convert to fraction form
    3,045.26/4,202.12 = 1,718.72/x
  3. Step 3: Cross multiply
    3,045.26x = 4,202.12 × 1,718.72
  4. Step 4: Simplify right side
    3,045.26x = 7,222,267.69
  5. Step 5: Solve for x
    x = 7,222,267.69/3,045.26
  6. Step 6: Final answer
    x = 2,371.64

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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.