Home / 1,811.24-2,714.12-1,346.84

Finding the Fourth Proportional to 1,811.24, 2,714.12 and 1,346.84

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Solution

The fourth proportional to 1,811.24, 2,714.12 and 1,346.84 is: 2,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.24 : 2,714.12 = 1,346.84 : x
  2. Step 2: Convert to fraction form
    1,811.24/2,714.12 = 1,346.84/x
  3. Step 3: Cross multiply
    1,811.24x = 2,714.12 × 1,346.84
  4. Step 4: Simplify right side
    1,811.24x = 3,655,465.08
  5. Step 5: Solve for x
    x = 3,655,465.08/1,811.24
  6. Step 6: Final answer
    x = 2,018.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.