Home / 4,153.28-5,731.62-2,290.28

Finding the Fourth Proportional to 4,153.28, 5,731.62 and 2,290.28

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Solution

The fourth proportional to 4,153.28, 5,731.62 and 2,290.28 is: 3,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.28 : 5,731.62 = 2,290.28 : x
  2. Step 2: Convert to fraction form
    4,153.28/5,731.62 = 2,290.28/x
  3. Step 3: Cross multiply
    4,153.28x = 5,731.62 × 2,290.28
  4. Step 4: Simplify right side
    4,153.28x = 13,127,014.65
  5. Step 5: Solve for x
    x = 13,127,014.65/4,153.28
  6. Step 6: Final answer
    x = 3,160.64

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1.5x scale

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.