Home / 1,473.40-2,034.02-949.72

Finding the Fourth Proportional to 1,473.40, 2,034.02 and 949.72

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Solution

The fourth proportional to 1,473.40, 2,034.02 and 949.72 is: 1,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.40 : 2,034.02 = 949.72 : x
  2. Step 2: Convert to fraction form
    1,473.40/2,034.02 = 949.72/x
  3. Step 3: Cross multiply
    1,473.40x = 2,034.02 × 949.72
  4. Step 4: Simplify right side
    1,473.40x = 1,931,749.47
  5. Step 5: Solve for x
    x = 1,931,749.47/1,473.40
  6. Step 6: Final answer
    x = 1,311.08

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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.