Home / 3,624.70-5,429.85-2,458.30

Finding the Fourth Proportional to 3,624.70, 5,429.85 and 2,458.30

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Solution

The fourth proportional to 3,624.70, 5,429.85 and 2,458.30 is: 3,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.70 : 5,429.85 = 2,458.30 : x
  2. Step 2: Convert to fraction form
    3,624.70/5,429.85 = 2,458.30/x
  3. Step 3: Cross multiply
    3,624.70x = 5,429.85 × 2,458.30
  4. Step 4: Simplify right side
    3,624.70x = 13,348,200.26
  5. Step 5: Solve for x
    x = 13,348,200.26/3,624.70
  6. Step 6: Final answer
    x = 3,682.57

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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.