Home / 3,060.50-4,223.49-1,663.25

Finding the Fourth Proportional to 3,060.50, 4,223.49 and 1,663.25

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Solution

The fourth proportional to 3,060.50, 4,223.49 and 1,663.25 is: 2,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.50 : 4,223.49 = 1,663.25 : x
  2. Step 2: Convert to fraction form
    3,060.50/4,223.49 = 1,663.25/x
  3. Step 3: Cross multiply
    3,060.50x = 4,223.49 × 1,663.25
  4. Step 4: Simplify right side
    3,060.50x = 7,024,719.74
  5. Step 5: Solve for x
    x = 7,024,719.74/3,060.50
  6. Step 6: Final answer
    x = 2,295.29

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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.