Home / 4,290.14-6,435.72-1,657.04

Finding the Fourth Proportional to 4,290.14, 6,435.72 and 1,657.04

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Solution

The fourth proportional to 4,290.14, 6,435.72 and 1,657.04 is: 2,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.14 : 6,435.72 = 1,657.04 : x
  2. Step 2: Convert to fraction form
    4,290.14/6,435.72 = 1,657.04/x
  3. Step 3: Cross multiply
    4,290.14x = 6,435.72 × 1,657.04
  4. Step 4: Simplify right side
    4,290.14x = 10,664,213.29
  5. Step 5: Solve for x
    x = 10,664,213.29/4,290.14
  6. Step 6: Final answer
    x = 2,485.75

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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.