Home / 3,487.26-4,810.41-2,089.20

Finding the Fourth Proportional to 3,487.26, 4,810.41 and 2,089.20

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Solution

The fourth proportional to 3,487.26, 4,810.41 and 2,089.20 is: 2,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.26 : 4,810.41 = 2,089.20 : x
  2. Step 2: Convert to fraction form
    3,487.26/4,810.41 = 2,089.20/x
  3. Step 3: Cross multiply
    3,487.26x = 4,810.41 × 2,089.20
  4. Step 4: Simplify right side
    3,487.26x = 10,049,908.57
  5. Step 5: Solve for x
    x = 10,049,908.57/3,487.26
  6. Step 6: Final answer
    x = 2,881.89

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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.