Home / 3,554.13-5,326.47-1,887.90

Finding the Fourth Proportional to 3,554.13, 5,326.47 and 1,887.90

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Solution

The fourth proportional to 3,554.13, 5,326.47 and 1,887.90 is: 2,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.13 : 5,326.47 = 1,887.90 : x
  2. Step 2: Convert to fraction form
    3,554.13/5,326.47 = 1,887.90/x
  3. Step 3: Cross multiply
    3,554.13x = 5,326.47 × 1,887.90
  4. Step 4: Simplify right side
    3,554.13x = 10,055,842.71
  5. Step 5: Solve for x
    x = 10,055,842.71/3,554.13
  6. Step 6: Final answer
    x = 2,829.34

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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.