Home / 3,045.14-4,202.20-1,718.96

Finding the Fourth Proportional to 3,045.14, 4,202.20 and 1,718.96

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Solution

The fourth proportional to 3,045.14, 4,202.20 and 1,718.96 is: 2,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.14 : 4,202.20 = 1,718.96 : x
  2. Step 2: Convert to fraction form
    3,045.14/4,202.20 = 1,718.96/x
  3. Step 3: Cross multiply
    3,045.14x = 4,202.20 × 1,718.96
  4. Step 4: Simplify right side
    3,045.14x = 7,223,419.92
  5. Step 5: Solve for x
    x = 7,223,419.92/3,045.14
  6. Step 6: Final answer
    x = 2,372.12

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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.