Home / 1,904.34-2,628.11-1,065.08

Finding the Fourth Proportional to 1,904.34, 2,628.11 and 1,065.08

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Solution

The fourth proportional to 1,904.34, 2,628.11 and 1,065.08 is: 1,469.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.34 : 2,628.11 = 1,065.08 : x
  2. Step 2: Convert to fraction form
    1,904.34/2,628.11 = 1,065.08/x
  3. Step 3: Cross multiply
    1,904.34x = 2,628.11 × 1,065.08
  4. Step 4: Simplify right side
    1,904.34x = 2,799,147.40
  5. Step 5: Solve for x
    x = 2,799,147.40/1,904.34
  6. Step 6: Final answer
    x = 1,469.88

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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.