Home / 1,676.36-2,505.63-1,511.48

Finding the Fourth Proportional to 1,676.36, 2,505.63 and 1,511.48

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Solution

The fourth proportional to 1,676.36, 2,505.63 and 1,511.48 is: 2,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.36 : 2,505.63 = 1,511.48 : x
  2. Step 2: Convert to fraction form
    1,676.36/2,505.63 = 1,511.48/x
  3. Step 3: Cross multiply
    1,676.36x = 2,505.63 × 1,511.48
  4. Step 4: Simplify right side
    1,676.36x = 3,787,209.63
  5. Step 5: Solve for x
    x = 3,787,209.63/1,676.36
  6. Step 6: Final answer
    x = 2,259.19

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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.