Home / 2,599.19-3,900.76-1,555.96

Finding the Fourth Proportional to 2,599.19, 3,900.76 and 1,555.96

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Solution

The fourth proportional to 2,599.19, 3,900.76 and 1,555.96 is: 2,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.19 : 3,900.76 = 1,555.96 : x
  2. Step 2: Convert to fraction form
    2,599.19/3,900.76 = 1,555.96/x
  3. Step 3: Cross multiply
    2,599.19x = 3,900.76 × 1,555.96
  4. Step 4: Simplify right side
    2,599.19x = 6,069,420.20
  5. Step 5: Solve for x
    x = 6,069,420.20/2,599.19
  6. Step 6: Final answer
    x = 2,335.12

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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.