Home / 2,837.47-4,256.88-2,790.39

Finding the Fourth Proportional to 2,837.47, 4,256.88 and 2,790.39

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Solution

The fourth proportional to 2,837.47, 4,256.88 and 2,790.39 is: 4,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.47 : 4,256.88 = 2,790.39 : x
  2. Step 2: Convert to fraction form
    2,837.47/4,256.88 = 2,790.39/x
  3. Step 3: Cross multiply
    2,837.47x = 4,256.88 × 2,790.39
  4. Step 4: Simplify right side
    2,837.47x = 11,878,355.38
  5. Step 5: Solve for x
    x = 11,878,355.38/2,837.47
  6. Step 6: Final answer
    x = 4,186.25

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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.