Home / 3,154.85-4,723.34-1,670.70

Finding the Fourth Proportional to 3,154.85, 4,723.34 and 1,670.70

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Solution

The fourth proportional to 3,154.85, 4,723.34 and 1,670.70 is: 2,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.85 : 4,723.34 = 1,670.70 : x
  2. Step 2: Convert to fraction form
    3,154.85/4,723.34 = 1,670.70/x
  3. Step 3: Cross multiply
    3,154.85x = 4,723.34 × 1,670.70
  4. Step 4: Simplify right side
    3,154.85x = 7,891,284.91
  5. Step 5: Solve for x
    x = 7,891,284.91/3,154.85
  6. Step 6: Final answer
    x = 2,501.32

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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.