Home / 3,999.45-5,517.54-2,506.35

Finding the Fourth Proportional to 3,999.45, 5,517.54 and 2,506.35

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Solution

The fourth proportional to 3,999.45, 5,517.54 and 2,506.35 is: 3,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.45 : 5,517.54 = 2,506.35 : x
  2. Step 2: Convert to fraction form
    3,999.45/5,517.54 = 2,506.35/x
  3. Step 3: Cross multiply
    3,999.45x = 5,517.54 × 2,506.35
  4. Step 4: Simplify right side
    3,999.45x = 13,828,886.38
  5. Step 5: Solve for x
    x = 13,828,886.38/3,999.45
  6. Step 6: Final answer
    x = 3,457.70

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1.5x scale

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.