Home / 3,045.24-4,202.06-2,160.72

Finding the Fourth Proportional to 3,045.24, 4,202.06 and 2,160.72

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Solution

The fourth proportional to 3,045.24, 4,202.06 and 2,160.72 is: 2,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.24 : 4,202.06 = 2,160.72 : x
  2. Step 2: Convert to fraction form
    3,045.24/4,202.06 = 2,160.72/x
  3. Step 3: Cross multiply
    3,045.24x = 4,202.06 × 2,160.72
  4. Step 4: Simplify right side
    3,045.24x = 9,079,464.28
  5. Step 5: Solve for x
    x = 9,079,464.28/3,045.24
  6. Step 6: Final answer
    x = 2,981.53

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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.