Home / 1,107.13-1,527.82-609.75

Finding the Fourth Proportional to 1,107.13, 1,527.82 and 609.75

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Solution

The fourth proportional to 1,107.13, 1,527.82 and 609.75 is: 841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107.13 : 1,527.82 = 609.75 : x
  2. Step 2: Convert to fraction form
    1,107.13/1,527.82 = 609.75/x
  3. Step 3: Cross multiply
    1,107.13x = 1,527.82 × 609.75
  4. Step 4: Simplify right side
    1,107.13x = 931,597.72
  5. Step 5: Solve for x
    x = 931,597.72/1,107.13
  6. Step 6: Final answer
    x = 841.46

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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.