Home / 3,715.34-5,572.55-2,156.19

Finding the Fourth Proportional to 3,715.34, 5,572.55 and 2,156.19

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Solution

The fourth proportional to 3,715.34, 5,572.55 and 2,156.19 is: 3,234.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.34 : 5,572.55 = 2,156.19 : x
  2. Step 2: Convert to fraction form
    3,715.34/5,572.55 = 2,156.19/x
  3. Step 3: Cross multiply
    3,715.34x = 5,572.55 × 2,156.19
  4. Step 4: Simplify right side
    3,715.34x = 12,015,459.96
  5. Step 5: Solve for x
    x = 12,015,459.96/3,715.34
  6. Step 6: Final answer
    x = 3,234.02

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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.