Home / 1,675.07-2,311.70-929.26

Finding the Fourth Proportional to 1,675.07, 2,311.70 and 929.26

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Solution

The fourth proportional to 1,675.07, 2,311.70 and 929.26 is: 1,282.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.07 : 2,311.70 = 929.26 : x
  2. Step 2: Convert to fraction form
    1,675.07/2,311.70 = 929.26/x
  3. Step 3: Cross multiply
    1,675.07x = 2,311.70 × 929.26
  4. Step 4: Simplify right side
    1,675.07x = 2,148,170.34
  5. Step 5: Solve for x
    x = 2,148,170.34/1,675.07
  6. Step 6: Final answer
    x = 1,282.44

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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.