Home / 3,930.90-5,894.82-1,465.16

Finding the Fourth Proportional to 3,930.90, 5,894.82 and 1,465.16

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Solution

The fourth proportional to 3,930.90, 5,894.82 and 1,465.16 is: 2,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.90 : 5,894.82 = 1,465.16 : x
  2. Step 2: Convert to fraction form
    3,930.90/5,894.82 = 1,465.16/x
  3. Step 3: Cross multiply
    3,930.90x = 5,894.82 × 1,465.16
  4. Step 4: Simplify right side
    3,930.90x = 8,636,854.47
  5. Step 5: Solve for x
    x = 8,636,854.47/3,930.90
  6. Step 6: Final answer
    x = 2,197.17

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1.5x scale

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.