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Finding the Fourth Proportional to 1,818.80, 2,483.95 and 1,799.36

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Solution

The fourth proportional to 1,818.80, 2,483.95 and 1,799.36 is: 2,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.80 : 2,483.95 = 1,799.36 : x
  2. Step 2: Convert to fraction form
    1,818.80/2,483.95 = 1,799.36/x
  3. Step 3: Cross multiply
    1,818.80x = 2,483.95 × 1,799.36
  4. Step 4: Simplify right side
    1,818.80x = 4,469,520.27
  5. Step 5: Solve for x
    x = 4,469,520.27/1,818.80
  6. Step 6: Final answer
    x = 2,457.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.