Home / 4,079.85-6,116.91-1,970.19

Finding the Fourth Proportional to 4,079.85, 6,116.91 and 1,970.19

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Solution

The fourth proportional to 4,079.85, 6,116.91 and 1,970.19 is: 2,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.85 : 6,116.91 = 1,970.19 : x
  2. Step 2: Convert to fraction form
    4,079.85/6,116.91 = 1,970.19/x
  3. Step 3: Cross multiply
    4,079.85x = 6,116.91 × 1,970.19
  4. Step 4: Simplify right side
    4,079.85x = 12,051,474.91
  5. Step 5: Solve for x
    x = 12,051,474.91/4,079.85
  6. Step 6: Final answer
    x = 2,953.90

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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.