Home / 2,715.51-3,747.47-1,536.35

Finding the Fourth Proportional to 2,715.51, 3,747.47 and 1,536.35

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Solution

The fourth proportional to 2,715.51, 3,747.47 and 1,536.35 is: 2,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.51 : 3,747.47 = 1,536.35 : x
  2. Step 2: Convert to fraction form
    2,715.51/3,747.47 = 1,536.35/x
  3. Step 3: Cross multiply
    2,715.51x = 3,747.47 × 1,536.35
  4. Step 4: Simplify right side
    2,715.51x = 5,757,399.12
  5. Step 5: Solve for x
    x = 5,757,399.12/2,715.51
  6. Step 6: Final answer
    x = 2,120.19

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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.