Home / 1,819.80-2,511.18-1,033.68

Finding the Fourth Proportional to 1,819.80, 2,511.18 and 1,033.68

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Solution

The fourth proportional to 1,819.80, 2,511.18 and 1,033.68 is: 1,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.80 : 2,511.18 = 1,033.68 : x
  2. Step 2: Convert to fraction form
    1,819.80/2,511.18 = 1,033.68/x
  3. Step 3: Cross multiply
    1,819.80x = 2,511.18 × 1,033.68
  4. Step 4: Simplify right side
    1,819.80x = 2,595,756.54
  5. Step 5: Solve for x
    x = 2,595,756.54/1,819.80
  6. Step 6: Final answer
    x = 1,426.40

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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.