Home / 1,217.03-1,825.59-1,153.85

Finding the Fourth Proportional to 1,217.03, 1,825.59 and 1,153.85

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Solution

The fourth proportional to 1,217.03, 1,825.59 and 1,153.85 is: 1,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.03 : 1,825.59 = 1,153.85 : x
  2. Step 2: Convert to fraction form
    1,217.03/1,825.59 = 1,153.85/x
  3. Step 3: Cross multiply
    1,217.03x = 1,825.59 × 1,153.85
  4. Step 4: Simplify right side
    1,217.03x = 2,106,457.02
  5. Step 5: Solve for x
    x = 2,106,457.02/1,217.03
  6. Step 6: Final answer
    x = 1,730.82

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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.