Home / 1,823.20-2,511.52-1,451.44

Finding the Fourth Proportional to 1,823.20, 2,511.52 and 1,451.44

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Solution

The fourth proportional to 1,823.20, 2,511.52 and 1,451.44 is: 1,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.20 : 2,511.52 = 1,451.44 : x
  2. Step 2: Convert to fraction form
    1,823.20/2,511.52 = 1,451.44/x
  3. Step 3: Cross multiply
    1,823.20x = 2,511.52 × 1,451.44
  4. Step 4: Simplify right side
    1,823.20x = 3,645,320.59
  5. Step 5: Solve for x
    x = 3,645,320.59/1,823.20
  6. Step 6: Final answer
    x = 1,999.41

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1.5x scale

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.