Home / 1,417.03-2,125.95-443.14

Finding the Fourth Proportional to 1,417.03, 2,125.95 and 443.14

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Solution

The fourth proportional to 1,417.03, 2,125.95 and 443.14 is: 664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.03 : 2,125.95 = 443.14 : x
  2. Step 2: Convert to fraction form
    1,417.03/2,125.95 = 443.14/x
  3. Step 3: Cross multiply
    1,417.03x = 2,125.95 × 443.14
  4. Step 4: Simplify right side
    1,417.03x = 942,093.48
  5. Step 5: Solve for x
    x = 942,093.48/1,417.03
  6. Step 6: Final answer
    x = 664.84

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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.