Home / 3,507.96-5,261.26-1,658.81

Finding the Fourth Proportional to 3,507.96, 5,261.26 and 1,658.81

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Solution

The fourth proportional to 3,507.96, 5,261.26 and 1,658.81 is: 2,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.96 : 5,261.26 = 1,658.81 : x
  2. Step 2: Convert to fraction form
    3,507.96/5,261.26 = 1,658.81/x
  3. Step 3: Cross multiply
    3,507.96x = 5,261.26 × 1,658.81
  4. Step 4: Simplify right side
    3,507.96x = 8,727,442.82
  5. Step 5: Solve for x
    x = 8,727,442.82/3,507.96
  6. Step 6: Final answer
    x = 2,487.89

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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.