Home / 1,473.64-2,034.28-949.92

Finding the Fourth Proportional to 1,473.64, 2,034.28 and 949.92

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Solution

The fourth proportional to 1,473.64, 2,034.28 and 949.92 is: 1,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.64 : 2,034.28 = 949.92 : x
  2. Step 2: Convert to fraction form
    1,473.64/2,034.28 = 949.92/x
  3. Step 3: Cross multiply
    1,473.64x = 2,034.28 × 949.92
  4. Step 4: Simplify right side
    1,473.64x = 1,932,403.26
  5. Step 5: Solve for x
    x = 1,932,403.26/1,473.64
  6. Step 6: Final answer
    x = 1,311.31

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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.