Home / 3,730.90-5,597.10-1,098.40

Finding the Fourth Proportional to 3,730.90, 5,597.10 and 1,098.40

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Solution

The fourth proportional to 3,730.90, 5,597.10 and 1,098.40 is: 1,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.90 : 5,597.10 = 1,098.40 : x
  2. Step 2: Convert to fraction form
    3,730.90/5,597.10 = 1,098.40/x
  3. Step 3: Cross multiply
    3,730.90x = 5,597.10 × 1,098.40
  4. Step 4: Simplify right side
    3,730.90x = 6,147,854.64
  5. Step 5: Solve for x
    x = 6,147,854.64/3,730.90
  6. Step 6: Final answer
    x = 1,647.82

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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.