Home / 1,946.38-2,920.02-559.73

Finding the Fourth Proportional to 1,946.38, 2,920.02 and 559.73

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Solution

The fourth proportional to 1,946.38, 2,920.02 and 559.73 is: 839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.38 : 2,920.02 = 559.73 : x
  2. Step 2: Convert to fraction form
    1,946.38/2,920.02 = 559.73/x
  3. Step 3: Cross multiply
    1,946.38x = 2,920.02 × 559.73
  4. Step 4: Simplify right side
    1,946.38x = 1,634,422.79
  5. Step 5: Solve for x
    x = 1,634,422.79/1,946.38
  6. Step 6: Final answer
    x = 839.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.