Home / 1,867.03-2,799.36-617.18

Finding the Fourth Proportional to 1,867.03, 2,799.36 and 617.18

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Solution

The fourth proportional to 1,867.03, 2,799.36 and 617.18 is: 925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.03 : 2,799.36 = 617.18 : x
  2. Step 2: Convert to fraction form
    1,867.03/2,799.36 = 617.18/x
  3. Step 3: Cross multiply
    1,867.03x = 2,799.36 × 617.18
  4. Step 4: Simplify right side
    1,867.03x = 1,727,695.01
  5. Step 5: Solve for x
    x = 1,727,695.01/1,867.03
  6. Step 6: Final answer
    x = 925.37

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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.