Home / 2,877.53-4,308.80-2,636.96

Finding the Fourth Proportional to 2,877.53, 4,308.80 and 2,636.96

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Solution

The fourth proportional to 2,877.53, 4,308.80 and 2,636.96 is: 3,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.53 : 4,308.80 = 2,636.96 : x
  2. Step 2: Convert to fraction form
    2,877.53/4,308.80 = 2,636.96/x
  3. Step 3: Cross multiply
    2,877.53x = 4,308.80 × 2,636.96
  4. Step 4: Simplify right side
    2,877.53x = 11,362,098.52
  5. Step 5: Solve for x
    x = 11,362,098.52/2,877.53
  6. Step 6: Final answer
    x = 3,948.57

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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.