Home / 3,005.73-4,510.40-1,059.30

Finding the Fourth Proportional to 3,005.73, 4,510.40 and 1,059.30

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Solution

The fourth proportional to 3,005.73, 4,510.40 and 1,059.30 is: 1,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.73 : 4,510.40 = 1,059.30 : x
  2. Step 2: Convert to fraction form
    3,005.73/4,510.40 = 1,059.30/x
  3. Step 3: Cross multiply
    3,005.73x = 4,510.40 × 1,059.30
  4. Step 4: Simplify right side
    3,005.73x = 4,777,861.42
  5. Step 5: Solve for x
    x = 4,777,861.42/3,005.73
  6. Step 6: Final answer
    x = 1,589.58

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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.