Home / 3,517.10-5,275.66-1,435.80

Finding the Fourth Proportional to 3,517.10, 5,275.66 and 1,435.80

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Solution

The fourth proportional to 3,517.10, 5,275.66 and 1,435.80 is: 2,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.10 : 5,275.66 = 1,435.80 : x
  2. Step 2: Convert to fraction form
    3,517.10/5,275.66 = 1,435.80/x
  3. Step 3: Cross multiply
    3,517.10x = 5,275.66 × 1,435.80
  4. Step 4: Simplify right side
    3,517.10x = 7,574,792.63
  5. Step 5: Solve for x
    x = 7,574,792.63/3,517.10
  6. Step 6: Final answer
    x = 2,153.70

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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.