Home / 1,837.74-2,756.13-538.86

Finding the Fourth Proportional to 1,837.74, 2,756.13 and 538.86

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Solution

The fourth proportional to 1,837.74, 2,756.13 and 538.86 is: 808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.74 : 2,756.13 = 538.86 : x
  2. Step 2: Convert to fraction form
    1,837.74/2,756.13 = 538.86/x
  3. Step 3: Cross multiply
    1,837.74x = 2,756.13 × 538.86
  4. Step 4: Simplify right side
    1,837.74x = 1,485,168.21
  5. Step 5: Solve for x
    x = 1,485,168.21/1,837.74
  6. Step 6: Final answer
    x = 808.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.