Home / 3,551.23-4,899.15-2,114.79

Finding the Fourth Proportional to 3,551.23, 4,899.15 and 2,114.79

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Solution

The fourth proportional to 3,551.23, 4,899.15 and 2,114.79 is: 2,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.23 : 4,899.15 = 2,114.79 : x
  2. Step 2: Convert to fraction form
    3,551.23/4,899.15 = 2,114.79/x
  3. Step 3: Cross multiply
    3,551.23x = 4,899.15 × 2,114.79
  4. Step 4: Simplify right side
    3,551.23x = 10,360,673.43
  5. Step 5: Solve for x
    x = 10,360,673.43/3,551.23
  6. Step 6: Final answer
    x = 2,917.49

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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.