Home / 3,726.65-5,142.80-2,048.04

Finding the Fourth Proportional to 3,726.65, 5,142.80 and 2,048.04

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Solution

The fourth proportional to 3,726.65, 5,142.80 and 2,048.04 is: 2,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.65 : 5,142.80 = 2,048.04 : x
  2. Step 2: Convert to fraction form
    3,726.65/5,142.80 = 2,048.04/x
  3. Step 3: Cross multiply
    3,726.65x = 5,142.80 × 2,048.04
  4. Step 4: Simplify right side
    3,726.65x = 10,532,665.23
  5. Step 5: Solve for x
    x = 10,532,665.23/3,726.65
  6. Step 6: Final answer
    x = 2,826.31

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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.