Home / 2,664.21-3,676.64-1,545.19

Finding the Fourth Proportional to 2,664.21, 3,676.64 and 1,545.19

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Solution

The fourth proportional to 2,664.21, 3,676.64 and 1,545.19 is: 2,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.21 : 3,676.64 = 1,545.19 : x
  2. Step 2: Convert to fraction form
    2,664.21/3,676.64 = 1,545.19/x
  3. Step 3: Cross multiply
    2,664.21x = 3,676.64 × 1,545.19
  4. Step 4: Simplify right side
    2,664.21x = 5,681,119.82
  5. Step 5: Solve for x
    x = 5,681,119.82/2,664.21
  6. Step 6: Final answer
    x = 2,132.39

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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.