Home / 1,536.19-2,119.95-837.56

Finding the Fourth Proportional to 1,536.19, 2,119.95 and 837.56

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Solution

The fourth proportional to 1,536.19, 2,119.95 and 837.56 is: 1,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.19 : 2,119.95 = 837.56 : x
  2. Step 2: Convert to fraction form
    1,536.19/2,119.95 = 837.56/x
  3. Step 3: Cross multiply
    1,536.19x = 2,119.95 × 837.56
  4. Step 4: Simplify right side
    1,536.19x = 1,775,590.62
  5. Step 5: Solve for x
    x = 1,775,590.62/1,536.19
  6. Step 6: Final answer
    x = 1,155.84

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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.