Home / 3,674.68-5,539.55-3,430.28

Finding the Fourth Proportional to 3,674.68, 5,539.55 and 3,430.28

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Solution

The fourth proportional to 3,674.68, 5,539.55 and 3,430.28 is: 5,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.68 : 5,539.55 = 3,430.28 : x
  2. Step 2: Convert to fraction form
    3,674.68/5,539.55 = 3,430.28/x
  3. Step 3: Cross multiply
    3,674.68x = 5,539.55 × 3,430.28
  4. Step 4: Simplify right side
    3,674.68x = 19,002,188.45
  5. Step 5: Solve for x
    x = 19,002,188.45/3,674.68
  6. Step 6: Final answer
    x = 5,171.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.