Home / 1,385.26-2,073.99-1,059.64

Finding the Fourth Proportional to 1,385.26, 2,073.99 and 1,059.64

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Solution

The fourth proportional to 1,385.26, 2,073.99 and 1,059.64 is: 1,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385.26 : 2,073.99 = 1,059.64 : x
  2. Step 2: Convert to fraction form
    1,385.26/2,073.99 = 1,059.64/x
  3. Step 3: Cross multiply
    1,385.26x = 2,073.99 × 1,059.64
  4. Step 4: Simplify right side
    1,385.26x = 2,197,682.76
  5. Step 5: Solve for x
    x = 2,197,682.76/1,385.26
  6. Step 6: Final answer
    x = 1,586.48

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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.