Home / 1,985.36-2,972.18-1,467.68

Finding the Fourth Proportional to 1,985.36, 2,972.18 and 1,467.68

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Solution

The fourth proportional to 1,985.36, 2,972.18 and 1,467.68 is: 2,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.36 : 2,972.18 = 1,467.68 : x
  2. Step 2: Convert to fraction form
    1,985.36/2,972.18 = 1,467.68/x
  3. Step 3: Cross multiply
    1,985.36x = 2,972.18 × 1,467.68
  4. Step 4: Simplify right side
    1,985.36x = 4,362,197.95
  5. Step 5: Solve for x
    x = 4,362,197.95/1,985.36
  6. Step 6: Final answer
    x = 2,197.19

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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.