Home / 1,536.51-2,120.43-837.93

Finding the Fourth Proportional to 1,536.51, 2,120.43 and 837.93

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Solution

The fourth proportional to 1,536.51, 2,120.43 and 837.93 is: 1,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.51 : 2,120.43 = 837.93 : x
  2. Step 2: Convert to fraction form
    1,536.51/2,120.43 = 837.93/x
  3. Step 3: Cross multiply
    1,536.51x = 2,120.43 × 837.93
  4. Step 4: Simplify right side
    1,536.51x = 1,776,771.91
  5. Step 5: Solve for x
    x = 1,776,771.91/1,536.51
  6. Step 6: Final answer
    x = 1,156.37

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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.