Home / 4,290.19-6,437.43-2,098.87

Finding the Fourth Proportional to 4,290.19, 6,437.43 and 2,098.87

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Solution

The fourth proportional to 4,290.19, 6,437.43 and 2,098.87 is: 3,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.19 : 6,437.43 = 2,098.87 : x
  2. Step 2: Convert to fraction form
    4,290.19/6,437.43 = 2,098.87/x
  3. Step 3: Cross multiply
    4,290.19x = 6,437.43 × 2,098.87
  4. Step 4: Simplify right side
    4,290.19x = 13,511,328.70
  5. Step 5: Solve for x
    x = 13,511,328.70/4,290.19
  6. Step 6: Final answer
    x = 3,149.35

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1.5x scale

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.