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Finding the Fourth Proportional to 2,473.50, 3,710.48 and 830.15

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Solution

The fourth proportional to 2,473.50, 3,710.48 and 830.15 is: 1,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.50 : 3,710.48 = 830.15 : x
  2. Step 2: Convert to fraction form
    2,473.50/3,710.48 = 830.15/x
  3. Step 3: Cross multiply
    2,473.50x = 3,710.48 × 830.15
  4. Step 4: Simplify right side
    2,473.50x = 3,080,246.18
  5. Step 5: Solve for x
    x = 3,080,246.18/2,473.50
  6. Step 6: Final answer
    x = 1,245.30

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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.