Home / 3,929.98-5,895.04-3,146.34

Finding the Fourth Proportional to 3,929.98, 5,895.04 and 3,146.34

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Solution

The fourth proportional to 3,929.98, 5,895.04 and 3,146.34 is: 4,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.98 : 5,895.04 = 3,146.34 : x
  2. Step 2: Convert to fraction form
    3,929.98/5,895.04 = 3,146.34/x
  3. Step 3: Cross multiply
    3,929.98x = 5,895.04 × 3,146.34
  4. Step 4: Simplify right side
    3,929.98x = 18,547,800.15
  5. Step 5: Solve for x
    x = 18,547,800.15/3,929.98
  6. Step 6: Final answer
    x = 4,719.57

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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.