Home / 1,483.07-2,046.51-819.95

Finding the Fourth Proportional to 1,483.07, 2,046.51 and 819.95

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Solution

The fourth proportional to 1,483.07, 2,046.51 and 819.95 is: 1,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.07 : 2,046.51 = 819.95 : x
  2. Step 2: Convert to fraction form
    1,483.07/2,046.51 = 819.95/x
  3. Step 3: Cross multiply
    1,483.07x = 2,046.51 × 819.95
  4. Step 4: Simplify right side
    1,483.07x = 1,678,025.64
  5. Step 5: Solve for x
    x = 1,678,025.64/1,483.07
  6. Step 6: Final answer
    x = 1,131.46

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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.