Home / 3,657.09-5,048.10-2,165.02

Finding the Fourth Proportional to 3,657.09, 5,048.10 and 2,165.02

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Solution

The fourth proportional to 3,657.09, 5,048.10 and 2,165.02 is: 2,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.09 : 5,048.10 = 2,165.02 : x
  2. Step 2: Convert to fraction form
    3,657.09/5,048.10 = 2,165.02/x
  3. Step 3: Cross multiply
    3,657.09x = 5,048.10 × 2,165.02
  4. Step 4: Simplify right side
    3,657.09x = 10,929,235.65
  5. Step 5: Solve for x
    x = 10,929,235.65/3,657.09
  6. Step 6: Final answer
    x = 2,988.51

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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.