Home / 2,657.36-3,981.64-1,357.04

Finding the Fourth Proportional to 2,657.36, 3,981.64 and 1,357.04

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Solution

The fourth proportional to 2,657.36, 3,981.64 and 1,357.04 is: 2,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.36 : 3,981.64 = 1,357.04 : x
  2. Step 2: Convert to fraction form
    2,657.36/3,981.64 = 1,357.04/x
  3. Step 3: Cross multiply
    2,657.36x = 3,981.64 × 1,357.04
  4. Step 4: Simplify right side
    2,657.36x = 5,403,244.75
  5. Step 5: Solve for x
    x = 5,403,244.75/2,657.36
  6. Step 6: Final answer
    x = 2,033.31

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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.