Home / 2,972.80-4,461.94-1,513

Finding the Fourth Proportional to 2,972.80, 4,461.94 and 1,513

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Solution

The fourth proportional to 2,972.80, 4,461.94 and 1,513 is: 2,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.80 : 4,461.94 = 1,513 : x
  2. Step 2: Convert to fraction form
    2,972.80/4,461.94 = 1,513/x
  3. Step 3: Cross multiply
    2,972.80x = 4,461.94 × 1,513
  4. Step 4: Simplify right side
    2,972.80x = 6,750,915.22
  5. Step 5: Solve for x
    x = 6,750,915.22/2,972.80
  6. Step 6: Final answer
    x = 2,270.89

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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.