Home / 3,060.46-4,223.41-1,663.21

Finding the Fourth Proportional to 3,060.46, 4,223.41 and 1,663.21

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Solution

The fourth proportional to 3,060.46, 4,223.41 and 1,663.21 is: 2,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.46 : 4,223.41 = 1,663.21 : x
  2. Step 2: Convert to fraction form
    3,060.46/4,223.41 = 1,663.21/x
  3. Step 3: Cross multiply
    3,060.46x = 4,223.41 × 1,663.21
  4. Step 4: Simplify right side
    3,060.46x = 7,024,417.75
  5. Step 5: Solve for x
    x = 7,024,417.75/3,060.46
  6. Step 6: Final answer
    x = 2,295.22

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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.