Home / 2,298.45-3,171.90-1,303.71

Finding the Fourth Proportional to 2,298.45, 3,171.90 and 1,303.71

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Solution

The fourth proportional to 2,298.45, 3,171.90 and 1,303.71 is: 1,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.45 : 3,171.90 = 1,303.71 : x
  2. Step 2: Convert to fraction form
    2,298.45/3,171.90 = 1,303.71/x
  3. Step 3: Cross multiply
    2,298.45x = 3,171.90 × 1,303.71
  4. Step 4: Simplify right side
    2,298.45x = 4,135,237.75
  5. Step 5: Solve for x
    x = 4,135,237.75/2,298.45
  6. Step 6: Final answer
    x = 1,799.14

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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.