Home / 1,929.41-2,894.58-630.88

Finding the Fourth Proportional to 1,929.41, 2,894.58 and 630.88

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Solution

The fourth proportional to 1,929.41, 2,894.58 and 630.88 is: 946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.41 : 2,894.58 = 630.88 : x
  2. Step 2: Convert to fraction form
    1,929.41/2,894.58 = 630.88/x
  3. Step 3: Cross multiply
    1,929.41x = 2,894.58 × 630.88
  4. Step 4: Simplify right side
    1,929.41x = 1,826,115.00
  5. Step 5: Solve for x
    x = 1,826,115.00/1,929.41
  6. Step 6: Final answer
    x = 946.46

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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.