Home / 3,670.74-5,050.58-3,171.78

Finding the Fourth Proportional to 3,670.74, 5,050.58 and 3,171.78

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Solution

The fourth proportional to 3,670.74, 5,050.58 and 3,171.78 is: 4,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.74 : 5,050.58 = 3,171.78 : x
  2. Step 2: Convert to fraction form
    3,670.74/5,050.58 = 3,171.78/x
  3. Step 3: Cross multiply
    3,670.74x = 5,050.58 × 3,171.78
  4. Step 4: Simplify right side
    3,670.74x = 16,019,328.63
  5. Step 5: Solve for x
    x = 16,019,328.63/3,670.74
  6. Step 6: Final answer
    x = 4,364.06

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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.