Home / 1,576.10-2,362.98-1,087.76

Finding the Fourth Proportional to 1,576.10, 2,362.98 and 1,087.76

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Solution

The fourth proportional to 1,576.10, 2,362.98 and 1,087.76 is: 1,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.10 : 2,362.98 = 1,087.76 : x
  2. Step 2: Convert to fraction form
    1,576.10/2,362.98 = 1,087.76/x
  3. Step 3: Cross multiply
    1,576.10x = 2,362.98 × 1,087.76
  4. Step 4: Simplify right side
    1,576.10x = 2,570,355.12
  5. Step 5: Solve for x
    x = 2,570,355.12/1,576.10
  6. Step 6: Final answer
    x = 1,630.83

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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.