Home / 2,877.41-4,310.04-1,318.72

Finding the Fourth Proportional to 2,877.41, 4,310.04 and 1,318.72

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Solution

The fourth proportional to 2,877.41, 4,310.04 and 1,318.72 is: 1,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.41 : 4,310.04 = 1,318.72 : x
  2. Step 2: Convert to fraction form
    2,877.41/4,310.04 = 1,318.72/x
  3. Step 3: Cross multiply
    2,877.41x = 4,310.04 × 1,318.72
  4. Step 4: Simplify right side
    2,877.41x = 5,683,735.95
  5. Step 5: Solve for x
    x = 5,683,735.95/2,877.41
  6. Step 6: Final answer
    x = 1,975.30

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1.5x scale

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.