Home / 3,462.40-5,190.51-1,513.06

Finding the Fourth Proportional to 3,462.40, 5,190.51 and 1,513.06

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Solution

The fourth proportional to 3,462.40, 5,190.51 and 1,513.06 is: 2,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.40 : 5,190.51 = 1,513.06 : x
  2. Step 2: Convert to fraction form
    3,462.40/5,190.51 = 1,513.06/x
  3. Step 3: Cross multiply
    3,462.40x = 5,190.51 × 1,513.06
  4. Step 4: Simplify right side
    3,462.40x = 7,853,553.06
  5. Step 5: Solve for x
    x = 7,853,553.06/3,462.40
  6. Step 6: Final answer
    x = 2,268.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.