Home / 2,946.15-4,065.53-1,619.62

Finding the Fourth Proportional to 2,946.15, 4,065.53 and 1,619.62

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Solution

The fourth proportional to 2,946.15, 4,065.53 and 1,619.62 is: 2,234.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.15 : 4,065.53 = 1,619.62 : x
  2. Step 2: Convert to fraction form
    2,946.15/4,065.53 = 1,619.62/x
  3. Step 3: Cross multiply
    2,946.15x = 4,065.53 × 1,619.62
  4. Step 4: Simplify right side
    2,946.15x = 6,584,595.44
  5. Step 5: Solve for x
    x = 6,584,595.44/2,946.15
  6. Step 6: Final answer
    x = 2,234.98

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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.