Home / 1,964.69-2,946.96-503.85

Finding the Fourth Proportional to 1,964.69, 2,946.96 and 503.85

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Solution

The fourth proportional to 1,964.69, 2,946.96 and 503.85 is: 755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.69 : 2,946.96 = 503.85 : x
  2. Step 2: Convert to fraction form
    1,964.69/2,946.96 = 503.85/x
  3. Step 3: Cross multiply
    1,964.69x = 2,946.96 × 503.85
  4. Step 4: Simplify right side
    1,964.69x = 1,484,823.28
  5. Step 5: Solve for x
    x = 1,484,823.28/1,964.69
  6. Step 6: Final answer
    x = 755.76

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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.