Home / 1,416.30-2,115.01-1,401.04

Finding the Fourth Proportional to 1,416.30, 2,115.01 and 1,401.04

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Solution

The fourth proportional to 1,416.30, 2,115.01 and 1,401.04 is: 2,092.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.30 : 2,115.01 = 1,401.04 : x
  2. Step 2: Convert to fraction form
    1,416.30/2,115.01 = 1,401.04/x
  3. Step 3: Cross multiply
    1,416.30x = 2,115.01 × 1,401.04
  4. Step 4: Simplify right side
    1,416.30x = 2,963,213.61
  5. Step 5: Solve for x
    x = 2,963,213.61/1,416.30
  6. Step 6: Final answer
    x = 2,092.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.