Home / 3,931.18-5,894.36-1,677.06

Finding the Fourth Proportional to 3,931.18, 5,894.36 and 1,677.06

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Solution

The fourth proportional to 3,931.18, 5,894.36 and 1,677.06 is: 2,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.18 : 5,894.36 = 1,677.06 : x
  2. Step 2: Convert to fraction form
    3,931.18/5,894.36 = 1,677.06/x
  3. Step 3: Cross multiply
    3,931.18x = 5,894.36 × 1,677.06
  4. Step 4: Simplify right side
    3,931.18x = 9,885,195.38
  5. Step 5: Solve for x
    x = 9,885,195.38/3,931.18
  6. Step 6: Final answer
    x = 2,514.56

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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.