Home / 3,945.49-5,444.93-2,266.76

Finding the Fourth Proportional to 3,945.49, 5,444.93 and 2,266.76

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Solution

The fourth proportional to 3,945.49, 5,444.93 and 2,266.76 is: 3,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.49 : 5,444.93 = 2,266.76 : x
  2. Step 2: Convert to fraction form
    3,945.49/5,444.93 = 2,266.76/x
  3. Step 3: Cross multiply
    3,945.49x = 5,444.93 × 2,266.76
  4. Step 4: Simplify right side
    3,945.49x = 12,342,349.53
  5. Step 5: Solve for x
    x = 12,342,349.53/3,945.49
  6. Step 6: Final answer
    x = 3,128.22

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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.