Home / 1,813.77-2,504.42-1,393.47

Finding the Fourth Proportional to 1,813.77, 2,504.42 and 1,393.47

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Solution

The fourth proportional to 1,813.77, 2,504.42 and 1,393.47 is: 1,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.77 : 2,504.42 = 1,393.47 : x
  2. Step 2: Convert to fraction form
    1,813.77/2,504.42 = 1,393.47/x
  3. Step 3: Cross multiply
    1,813.77x = 2,504.42 × 1,393.47
  4. Step 4: Simplify right side
    1,813.77x = 3,489,827.17
  5. Step 5: Solve for x
    x = 3,489,827.17/1,813.77
  6. Step 6: Final answer
    x = 1,924.07

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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.