Home / 3,548.49-5,316.90-2,157.62

Finding the Fourth Proportional to 3,548.49, 5,316.90 and 2,157.62

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Solution

The fourth proportional to 3,548.49, 5,316.90 and 2,157.62 is: 3,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.49 : 5,316.90 = 2,157.62 : x
  2. Step 2: Convert to fraction form
    3,548.49/5,316.90 = 2,157.62/x
  3. Step 3: Cross multiply
    3,548.49x = 5,316.90 × 2,157.62
  4. Step 4: Simplify right side
    3,548.49x = 11,471,823.19
  5. Step 5: Solve for x
    x = 11,471,823.19/3,548.49
  6. Step 6: Final answer
    x = 3,232.87

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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.