Home / 1,867.90-2,799.54-1,637.24

Finding the Fourth Proportional to 1,867.90, 2,799.54 and 1,637.24

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Solution

The fourth proportional to 1,867.90, 2,799.54 and 1,637.24 is: 2,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.90 : 2,799.54 = 1,637.24 : x
  2. Step 2: Convert to fraction form
    1,867.90/2,799.54 = 1,637.24/x
  3. Step 3: Cross multiply
    1,867.90x = 2,799.54 × 1,637.24
  4. Step 4: Simplify right side
    1,867.90x = 4,583,518.87
  5. Step 5: Solve for x
    x = 4,583,518.87/1,867.90
  6. Step 6: Final answer
    x = 2,453.84

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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.