Home / 1,536.07-2,119.81-837.45

Finding the Fourth Proportional to 1,536.07, 2,119.81 and 837.45

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Solution

The fourth proportional to 1,536.07, 2,119.81 and 837.45 is: 1,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.07 : 2,119.81 = 837.45 : x
  2. Step 2: Convert to fraction form
    1,536.07/2,119.81 = 837.45/x
  3. Step 3: Cross multiply
    1,536.07x = 2,119.81 × 837.45
  4. Step 4: Simplify right side
    1,536.07x = 1,775,234.88
  5. Step 5: Solve for x
    x = 1,775,234.88/1,536.07
  6. Step 6: Final answer
    x = 1,155.70

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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.