Home / 1,820.68-2,511.86-1,034.12

Finding the Fourth Proportional to 1,820.68, 2,511.86 and 1,034.12

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Solution

The fourth proportional to 1,820.68, 2,511.86 and 1,034.12 is: 1,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.68 : 2,511.86 = 1,034.12 : x
  2. Step 2: Convert to fraction form
    1,820.68/2,511.86 = 1,034.12/x
  3. Step 3: Cross multiply
    1,820.68x = 2,511.86 × 1,034.12
  4. Step 4: Simplify right side
    1,820.68x = 2,597,564.66
  5. Step 5: Solve for x
    x = 2,597,564.66/1,820.68
  6. Step 6: Final answer
    x = 1,426.70

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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.