Home / 3,060.81-4,223.80-1,663.53

Finding the Fourth Proportional to 3,060.81, 4,223.80 and 1,663.53

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Solution

The fourth proportional to 3,060.81, 4,223.80 and 1,663.53 is: 2,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.81 : 4,223.80 = 1,663.53 : x
  2. Step 2: Convert to fraction form
    3,060.81/4,223.80 = 1,663.53/x
  3. Step 3: Cross multiply
    3,060.81x = 4,223.80 × 1,663.53
  4. Step 4: Simplify right side
    3,060.81x = 7,026,409.70
  5. Step 5: Solve for x
    x = 7,026,409.70/3,060.81
  6. Step 6: Final answer
    x = 2,295.60

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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.