Home / 2,596.76-3,885.40-1,618.28

Finding the Fourth Proportional to 2,596.76, 3,885.40 and 1,618.28

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Solution

The fourth proportional to 2,596.76, 3,885.40 and 1,618.28 is: 2,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.76 : 3,885.40 = 1,618.28 : x
  2. Step 2: Convert to fraction form
    2,596.76/3,885.40 = 1,618.28/x
  3. Step 3: Cross multiply
    2,596.76x = 3,885.40 × 1,618.28
  4. Step 4: Simplify right side
    2,596.76x = 6,287,665.11
  5. Step 5: Solve for x
    x = 6,287,665.11/2,596.76
  6. Step 6: Final answer
    x = 2,421.35

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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.