Home / 2,298.87-3,172.62-1,304.39

Finding the Fourth Proportional to 2,298.87, 3,172.62 and 1,304.39

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Solution

The fourth proportional to 2,298.87, 3,172.62 and 1,304.39 is: 1,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.87 : 3,172.62 = 1,304.39 : x
  2. Step 2: Convert to fraction form
    2,298.87/3,172.62 = 1,304.39/x
  3. Step 3: Cross multiply
    2,298.87x = 3,172.62 × 1,304.39
  4. Step 4: Simplify right side
    2,298.87x = 4,138,317.94
  5. Step 5: Solve for x
    x = 4,138,317.94/2,298.87
  6. Step 6: Final answer
    x = 1,800.15

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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.