Home / 3,060.39-4,223.34-1,663.14

Finding the Fourth Proportional to 3,060.39, 4,223.34 and 1,663.14

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Solution

The fourth proportional to 3,060.39, 4,223.34 and 1,663.14 is: 2,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.39 : 4,223.34 = 1,663.14 : x
  2. Step 2: Convert to fraction form
    3,060.39/4,223.34 = 1,663.14/x
  3. Step 3: Cross multiply
    3,060.39x = 4,223.34 × 1,663.14
  4. Step 4: Simplify right side
    3,060.39x = 7,024,005.69
  5. Step 5: Solve for x
    x = 7,024,005.69/3,060.39
  6. Step 6: Final answer
    x = 2,295.13

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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.