Home / 3,158.82-4,737.02-1,209.96

Finding the Fourth Proportional to 3,158.82, 4,737.02 and 1,209.96

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Solution

The fourth proportional to 3,158.82, 4,737.02 and 1,209.96 is: 1,814.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.82 : 4,737.02 = 1,209.96 : x
  2. Step 2: Convert to fraction form
    3,158.82/4,737.02 = 1,209.96/x
  3. Step 3: Cross multiply
    3,158.82x = 4,737.02 × 1,209.96
  4. Step 4: Simplify right side
    3,158.82x = 5,731,598.67
  5. Step 5: Solve for x
    x = 5,731,598.67/3,158.82
  6. Step 6: Final answer
    x = 1,814.47

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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.