Home / 4,290.26-6,437.10-2,098.40

Finding the Fourth Proportional to 4,290.26, 6,437.10 and 2,098.40

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Solution

The fourth proportional to 4,290.26, 6,437.10 and 2,098.40 is: 3,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.26 : 6,437.10 = 2,098.40 : x
  2. Step 2: Convert to fraction form
    4,290.26/6,437.10 = 2,098.40/x
  3. Step 3: Cross multiply
    4,290.26x = 6,437.10 × 2,098.40
  4. Step 4: Simplify right side
    4,290.26x = 13,507,610.64
  5. Step 5: Solve for x
    x = 13,507,610.64/4,290.26
  6. Step 6: Final answer
    x = 3,148.44

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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.