Home / 1,795.90-2,689.53-1,217.02

Finding the Fourth Proportional to 1,795.90, 2,689.53 and 1,217.02

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Solution

The fourth proportional to 1,795.90, 2,689.53 and 1,217.02 is: 1,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.90 : 2,689.53 = 1,217.02 : x
  2. Step 2: Convert to fraction form
    1,795.90/2,689.53 = 1,217.02/x
  3. Step 3: Cross multiply
    1,795.90x = 2,689.53 × 1,217.02
  4. Step 4: Simplify right side
    1,795.90x = 3,273,211.80
  5. Step 5: Solve for x
    x = 3,273,211.80/1,795.90
  6. Step 6: Final answer
    x = 1,822.60

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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.