Home / 4,122.29-6,184.21-1,657.30

Finding the Fourth Proportional to 4,122.29, 6,184.21 and 1,657.30

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Solution

The fourth proportional to 4,122.29, 6,184.21 and 1,657.30 is: 2,486.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.29 : 6,184.21 = 1,657.30 : x
  2. Step 2: Convert to fraction form
    4,122.29/6,184.21 = 1,657.30/x
  3. Step 3: Cross multiply
    4,122.29x = 6,184.21 × 1,657.30
  4. Step 4: Simplify right side
    4,122.29x = 10,249,091.23
  5. Step 5: Solve for x
    x = 10,249,091.23/4,122.29
  6. Step 6: Final answer
    x = 2,486.26

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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.