Home / 2,580.18-3,870.27-1,098.96

Finding the Fourth Proportional to 2,580.18, 3,870.27 and 1,098.96

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Solution

The fourth proportional to 2,580.18, 3,870.27 and 1,098.96 is: 1,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.18 : 3,870.27 = 1,098.96 : x
  2. Step 2: Convert to fraction form
    2,580.18/3,870.27 = 1,098.96/x
  3. Step 3: Cross multiply
    2,580.18x = 3,870.27 × 1,098.96
  4. Step 4: Simplify right side
    2,580.18x = 4,253,271.92
  5. Step 5: Solve for x
    x = 4,253,271.92/2,580.18
  6. Step 6: Final answer
    x = 1,648.44

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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.