Home / 1,548.96-2,135.68-1,516.48

Finding the Fourth Proportional to 1,548.96, 2,135.68 and 1,516.48

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Solution

The fourth proportional to 1,548.96, 2,135.68 and 1,516.48 is: 2,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.96 : 2,135.68 = 1,516.48 : x
  2. Step 2: Convert to fraction form
    1,548.96/2,135.68 = 1,516.48/x
  3. Step 3: Cross multiply
    1,548.96x = 2,135.68 × 1,516.48
  4. Step 4: Simplify right side
    1,548.96x = 3,238,716.01
  5. Step 5: Solve for x
    x = 3,238,716.01/1,548.96
  6. Step 6: Final answer
    x = 2,090.90

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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.