Home / 3,735.74-5,155.71-2,802.62

Finding the Fourth Proportional to 3,735.74, 5,155.71 and 2,802.62

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Solution

The fourth proportional to 3,735.74, 5,155.71 and 2,802.62 is: 3,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.74 : 5,155.71 = 2,802.62 : x
  2. Step 2: Convert to fraction form
    3,735.74/5,155.71 = 2,802.62/x
  3. Step 3: Cross multiply
    3,735.74x = 5,155.71 × 2,802.62
  4. Step 4: Simplify right side
    3,735.74x = 14,449,495.96
  5. Step 5: Solve for x
    x = 14,449,495.96/3,735.74
  6. Step 6: Final answer
    x = 3,867.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.