Home / 1,403.95-2,102.28-1,241.14

Finding the Fourth Proportional to 1,403.95, 2,102.28 and 1,241.14

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Solution

The fourth proportional to 1,403.95, 2,102.28 and 1,241.14 is: 1,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.95 : 2,102.28 = 1,241.14 : x
  2. Step 2: Convert to fraction form
    1,403.95/2,102.28 = 1,241.14/x
  3. Step 3: Cross multiply
    1,403.95x = 2,102.28 × 1,241.14
  4. Step 4: Simplify right side
    1,403.95x = 2,609,223.80
  5. Step 5: Solve for x
    x = 2,609,223.80/1,403.95
  6. Step 6: Final answer
    x = 1,858.49

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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.