Home / 2,298.39-3,171.84-1,303.63

Finding the Fourth Proportional to 2,298.39, 3,171.84 and 1,303.63

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Solution

The fourth proportional to 2,298.39, 3,171.84 and 1,303.63 is: 1,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.39 : 3,171.84 = 1,303.63 : x
  2. Step 2: Convert to fraction form
    2,298.39/3,171.84 = 1,303.63/x
  3. Step 3: Cross multiply
    2,298.39x = 3,171.84 × 1,303.63
  4. Step 4: Simplify right side
    2,298.39x = 4,134,905.78
  5. Step 5: Solve for x
    x = 4,134,905.78/2,298.39
  6. Step 6: Final answer
    x = 1,799.04

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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.