Home / 1,473.10-2,031.82-949.03

Finding the Fourth Proportional to 1,473.10, 2,031.82 and 949.03

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Solution

The fourth proportional to 1,473.10, 2,031.82 and 949.03 is: 1,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.10 : 2,031.82 = 949.03 : x
  2. Step 2: Convert to fraction form
    1,473.10/2,031.82 = 949.03/x
  3. Step 3: Cross multiply
    1,473.10x = 2,031.82 × 949.03
  4. Step 4: Simplify right side
    1,473.10x = 1,928,258.13
  5. Step 5: Solve for x
    x = 1,928,258.13/1,473.10
  6. Step 6: Final answer
    x = 1,308.98

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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.