Home / 2,877.53-4,312.85-1,230.57

Finding the Fourth Proportional to 2,877.53, 4,312.85 and 1,230.57

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Solution

The fourth proportional to 2,877.53, 4,312.85 and 1,230.57 is: 1,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.53 : 4,312.85 = 1,230.57 : x
  2. Step 2: Convert to fraction form
    2,877.53/4,312.85 = 1,230.57/x
  3. Step 3: Cross multiply
    2,877.53x = 4,312.85 × 1,230.57
  4. Step 4: Simplify right side
    2,877.53x = 5,307,257.67
  5. Step 5: Solve for x
    x = 5,307,257.67/2,877.53
  6. Step 6: Final answer
    x = 1,844.38

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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.