Home / 1,483.17-2,046.60-819.93

Finding the Fourth Proportional to 1,483.17, 2,046.60 and 819.93

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Solution

The fourth proportional to 1,483.17, 2,046.60 and 819.93 is: 1,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.17 : 2,046.60 = 819.93 : x
  2. Step 2: Convert to fraction form
    1,483.17/2,046.60 = 819.93/x
  3. Step 3: Cross multiply
    1,483.17x = 2,046.60 × 819.93
  4. Step 4: Simplify right side
    1,483.17x = 1,678,068.74
  5. Step 5: Solve for x
    x = 1,678,068.74/1,483.17
  6. Step 6: Final answer
    x = 1,131.41

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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.