Home / 3,060.44-4,223.35-1,663.20

Finding the Fourth Proportional to 3,060.44, 4,223.35 and 1,663.20

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Solution

The fourth proportional to 3,060.44, 4,223.35 and 1,663.20 is: 2,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.44 : 4,223.35 = 1,663.20 : x
  2. Step 2: Convert to fraction form
    3,060.44/4,223.35 = 1,663.20/x
  3. Step 3: Cross multiply
    3,060.44x = 4,223.35 × 1,663.20
  4. Step 4: Simplify right side
    3,060.44x = 7,024,275.72
  5. Step 5: Solve for x
    x = 7,024,275.72/3,060.44
  6. Step 6: Final answer
    x = 2,295.18

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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.