Home / 1,799.11-2,483.83-1,240.41

Finding the Fourth Proportional to 1,799.11, 2,483.83 and 1,240.41

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Solution

The fourth proportional to 1,799.11, 2,483.83 and 1,240.41 is: 1,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.11 : 2,483.83 = 1,240.41 : x
  2. Step 2: Convert to fraction form
    1,799.11/2,483.83 = 1,240.41/x
  3. Step 3: Cross multiply
    1,799.11x = 2,483.83 × 1,240.41
  4. Step 4: Simplify right side
    1,799.11x = 3,080,978.44
  5. Step 5: Solve for x
    x = 3,080,978.44/1,799.11
  6. Step 6: Final answer
    x = 1,712.50

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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.