Home / 3,748.61-5,173.24-2,155.77

Finding the Fourth Proportional to 3,748.61, 5,173.24 and 2,155.77

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Solution

The fourth proportional to 3,748.61, 5,173.24 and 2,155.77 is: 2,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.61 : 5,173.24 = 2,155.77 : x
  2. Step 2: Convert to fraction form
    3,748.61/5,173.24 = 2,155.77/x
  3. Step 3: Cross multiply
    3,748.61x = 5,173.24 × 2,155.77
  4. Step 4: Simplify right side
    3,748.61x = 11,152,318.29
  5. Step 5: Solve for x
    x = 11,152,318.29/3,748.61
  6. Step 6: Final answer
    x = 2,975.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.