Home / 3,318.98-4,975.02-1,237.68

Finding the Fourth Proportional to 3,318.98, 4,975.02 and 1,237.68

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Solution

The fourth proportional to 3,318.98, 4,975.02 and 1,237.68 is: 1,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.98 : 4,975.02 = 1,237.68 : x
  2. Step 2: Convert to fraction form
    3,318.98/4,975.02 = 1,237.68/x
  3. Step 3: Cross multiply
    3,318.98x = 4,975.02 × 1,237.68
  4. Step 4: Simplify right side
    3,318.98x = 6,157,482.75
  5. Step 5: Solve for x
    x = 6,157,482.75/3,318.98
  6. Step 6: Final answer
    x = 1,855.24

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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.