Home / 4,170.02-5,746.68-2,989.04

Finding the Fourth Proportional to 4,170.02, 5,746.68 and 2,989.04

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Solution

The fourth proportional to 4,170.02, 5,746.68 and 2,989.04 is: 4,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.02 : 5,746.68 = 2,989.04 : x
  2. Step 2: Convert to fraction form
    4,170.02/5,746.68 = 2,989.04/x
  3. Step 3: Cross multiply
    4,170.02x = 5,746.68 × 2,989.04
  4. Step 4: Simplify right side
    4,170.02x = 17,177,027.65
  5. Step 5: Solve for x
    x = 17,177,027.65/4,170.02
  6. Step 6: Final answer
    x = 4,119.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.