Home / 2,740.77-4,104.14-1,813.52

Finding the Fourth Proportional to 2,740.77, 4,104.14 and 1,813.52

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Solution

The fourth proportional to 2,740.77, 4,104.14 and 1,813.52 is: 2,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.77 : 4,104.14 = 1,813.52 : x
  2. Step 2: Convert to fraction form
    2,740.77/4,104.14 = 1,813.52/x
  3. Step 3: Cross multiply
    2,740.77x = 4,104.14 × 1,813.52
  4. Step 4: Simplify right side
    2,740.77x = 7,442,941.17
  5. Step 5: Solve for x
    x = 7,442,941.17/2,740.77
  6. Step 6: Final answer
    x = 2,715.64

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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.