Home / 1,536.03-2,119.10-975.51

Finding the Fourth Proportional to 1,536.03, 2,119.10 and 975.51

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Solution

The fourth proportional to 1,536.03, 2,119.10 and 975.51 is: 1,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.03 : 2,119.10 = 975.51 : x
  2. Step 2: Convert to fraction form
    1,536.03/2,119.10 = 975.51/x
  3. Step 3: Cross multiply
    1,536.03x = 2,119.10 × 975.51
  4. Step 4: Simplify right side
    1,536.03x = 2,067,198.36
  5. Step 5: Solve for x
    x = 2,067,198.36/1,536.03
  6. Step 6: Final answer
    x = 1,345.81

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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.