Home / 1,536.26-2,120.08-837.68

Finding the Fourth Proportional to 1,536.26, 2,120.08 and 837.68

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Solution

The fourth proportional to 1,536.26, 2,120.08 and 837.68 is: 1,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.26 : 2,120.08 = 837.68 : x
  2. Step 2: Convert to fraction form
    1,536.26/2,120.08 = 837.68/x
  3. Step 3: Cross multiply
    1,536.26x = 2,120.08 × 837.68
  4. Step 4: Simplify right side
    1,536.26x = 1,775,948.61
  5. Step 5: Solve for x
    x = 1,775,948.61/1,536.26
  6. Step 6: Final answer
    x = 1,156.02

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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.