Home / 1,813.86-2,487.96-1,708.02

Finding the Fourth Proportional to 1,813.86, 2,487.96 and 1,708.02

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Solution

The fourth proportional to 1,813.86, 2,487.96 and 1,708.02 is: 2,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.86 : 2,487.96 = 1,708.02 : x
  2. Step 2: Convert to fraction form
    1,813.86/2,487.96 = 1,708.02/x
  3. Step 3: Cross multiply
    1,813.86x = 2,487.96 × 1,708.02
  4. Step 4: Simplify right side
    1,813.86x = 4,249,485.44
  5. Step 5: Solve for x
    x = 4,249,485.44/1,813.86
  6. Step 6: Final answer
    x = 2,342.79

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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.