Home / 3,678.13-5,072.36-2,837.50

Finding the Fourth Proportional to 3,678.13, 5,072.36 and 2,837.50

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Solution

The fourth proportional to 3,678.13, 5,072.36 and 2,837.50 is: 3,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.13 : 5,072.36 = 2,837.50 : x
  2. Step 2: Convert to fraction form
    3,678.13/5,072.36 = 2,837.50/x
  3. Step 3: Cross multiply
    3,678.13x = 5,072.36 × 2,837.50
  4. Step 4: Simplify right side
    3,678.13x = 14,392,821.50
  5. Step 5: Solve for x
    x = 14,392,821.50/3,678.13
  6. Step 6: Final answer
    x = 3,913.08

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1.5x scale

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.