Home / 1,513.94-2,090.13-1,426.46

Finding the Fourth Proportional to 1,513.94, 2,090.13 and 1,426.46

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Solution

The fourth proportional to 1,513.94, 2,090.13 and 1,426.46 is: 1,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.94 : 2,090.13 = 1,426.46 : x
  2. Step 2: Convert to fraction form
    1,513.94/2,090.13 = 1,426.46/x
  3. Step 3: Cross multiply
    1,513.94x = 2,090.13 × 1,426.46
  4. Step 4: Simplify right side
    1,513.94x = 2,981,486.84
  5. Step 5: Solve for x
    x = 2,981,486.84/1,513.94
  6. Step 6: Final answer
    x = 1,969.36

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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.