Home / 3,579.75-5,374.53-3,538.17

Finding the Fourth Proportional to 3,579.75, 5,374.53 and 3,538.17

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Solution

The fourth proportional to 3,579.75, 5,374.53 and 3,538.17 is: 5,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.75 : 5,374.53 = 3,538.17 : x
  2. Step 2: Convert to fraction form
    3,579.75/5,374.53 = 3,538.17/x
  3. Step 3: Cross multiply
    3,579.75x = 5,374.53 × 3,538.17
  4. Step 4: Simplify right side
    3,579.75x = 19,016,000.81
  5. Step 5: Solve for x
    x = 19,016,000.81/3,579.75
  6. Step 6: Final answer
    x = 5,312.10

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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.