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Finding the Fourth Proportional to 1,676.55, 2,504.90 and 1,619.13

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Solution

The fourth proportional to 1,676.55, 2,504.90 and 1,619.13 is: 2,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.55 : 2,504.90 = 1,619.13 : x
  2. Step 2: Convert to fraction form
    1,676.55/2,504.90 = 1,619.13/x
  3. Step 3: Cross multiply
    1,676.55x = 2,504.90 × 1,619.13
  4. Step 4: Simplify right side
    1,676.55x = 4,055,758.74
  5. Step 5: Solve for x
    x = 4,055,758.74/1,676.55
  6. Step 6: Final answer
    x = 2,419.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.