Home / 3,641.28-5,453.34-2,405.62

Finding the Fourth Proportional to 3,641.28, 5,453.34 and 2,405.62

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Solution

The fourth proportional to 3,641.28, 5,453.34 and 2,405.62 is: 3,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.28 : 5,453.34 = 2,405.62 : x
  2. Step 2: Convert to fraction form
    3,641.28/5,453.34 = 2,405.62/x
  3. Step 3: Cross multiply
    3,641.28x = 5,453.34 × 2,405.62
  4. Step 4: Simplify right side
    3,641.28x = 13,118,663.77
  5. Step 5: Solve for x
    x = 13,118,663.77/3,641.28
  6. Step 6: Final answer
    x = 3,602.76

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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.