Home / 3,837.13-5,294.90-2,158.00

Finding the Fourth Proportional to 3,837.13, 5,294.90 and 2,158.00

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Solution

The fourth proportional to 3,837.13, 5,294.90 and 2,158.00 is: 2,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.13 : 5,294.90 = 2,158.00 : x
  2. Step 2: Convert to fraction form
    3,837.13/5,294.90 = 2,158.00/x
  3. Step 3: Cross multiply
    3,837.13x = 5,294.90 × 2,158.00
  4. Step 4: Simplify right side
    3,837.13x = 11,426,386.36
  5. Step 5: Solve for x
    x = 11,426,386.36/3,837.13
  6. Step 6: Final answer
    x = 2,977.85

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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.