Home / 2,298.20-3,171.50-1,366.70

Finding the Fourth Proportional to 2,298.20, 3,171.50 and 1,366.70

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Solution

The fourth proportional to 2,298.20, 3,171.50 and 1,366.70 is: 1,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,171.50 = 1,366.70 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,171.50 = 1,366.70/x
  3. Step 3: Cross multiply
    2,298.20x = 3,171.50 × 1,366.70
  4. Step 4: Simplify right side
    2,298.20x = 4,334,466.36
  5. Step 5: Solve for x
    x = 4,334,466.36/2,298.20
  6. Step 6: Final answer
    x = 1,886.03

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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.