Home / 1,929.02-2,893.52-630.47

Finding the Fourth Proportional to 1,929.02, 2,893.52 and 630.47

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Solution

The fourth proportional to 1,929.02, 2,893.52 and 630.47 is: 945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.02 : 2,893.52 = 630.47 : x
  2. Step 2: Convert to fraction form
    1,929.02/2,893.52 = 630.47/x
  3. Step 3: Cross multiply
    1,929.02x = 2,893.52 × 630.47
  4. Step 4: Simplify right side
    1,929.02x = 1,824,286.36
  5. Step 5: Solve for x
    x = 1,824,286.36/1,929.02
  6. Step 6: Final answer
    x = 945.71

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1.5x scale

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.