Home / 3,307.89-4,564.31-2,113.95

Finding the Fourth Proportional to 3,307.89, 4,564.31 and 2,113.95

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Solution

The fourth proportional to 3,307.89, 4,564.31 and 2,113.95 is: 2,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.89 : 4,564.31 = 2,113.95 : x
  2. Step 2: Convert to fraction form
    3,307.89/4,564.31 = 2,113.95/x
  3. Step 3: Cross multiply
    3,307.89x = 4,564.31 × 2,113.95
  4. Step 4: Simplify right side
    3,307.89x = 9,648,712.55
  5. Step 5: Solve for x
    x = 9,648,712.55/3,307.89
  6. Step 6: Final answer
    x = 2,916.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.