Home / 2,720.51-3,754.23-1,541.69

Finding the Fourth Proportional to 2,720.51, 3,754.23 and 1,541.69

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Solution

The fourth proportional to 2,720.51, 3,754.23 and 1,541.69 is: 2,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.51 : 3,754.23 = 1,541.69 : x
  2. Step 2: Convert to fraction form
    2,720.51/3,754.23 = 1,541.69/x
  3. Step 3: Cross multiply
    2,720.51x = 3,754.23 × 1,541.69
  4. Step 4: Simplify right side
    2,720.51x = 5,787,858.85
  5. Step 5: Solve for x
    x = 5,787,858.85/2,720.51
  6. Step 6: Final answer
    x = 2,127.49

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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.