Home / 1,419.84-2,124.27-1,416.18

Finding the Fourth Proportional to 1,419.84, 2,124.27 and 1,416.18

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Solution

The fourth proportional to 1,419.84, 2,124.27 and 1,416.18 is: 2,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.84 : 2,124.27 = 1,416.18 : x
  2. Step 2: Convert to fraction form
    1,419.84/2,124.27 = 1,416.18/x
  3. Step 3: Cross multiply
    1,419.84x = 2,124.27 × 1,416.18
  4. Step 4: Simplify right side
    1,419.84x = 3,008,348.69
  5. Step 5: Solve for x
    x = 3,008,348.69/1,419.84
  6. Step 6: Final answer
    x = 2,118.79

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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.