Home / 1,416.15-2,120.63-1,184.47

Finding the Fourth Proportional to 1,416.15, 2,120.63 and 1,184.47

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Solution

The fourth proportional to 1,416.15, 2,120.63 and 1,184.47 is: 1,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.15 : 2,120.63 = 1,184.47 : x
  2. Step 2: Convert to fraction form
    1,416.15/2,120.63 = 1,184.47/x
  3. Step 3: Cross multiply
    1,416.15x = 2,120.63 × 1,184.47
  4. Step 4: Simplify right side
    1,416.15x = 2,511,820.28
  5. Step 5: Solve for x
    x = 2,511,820.28/1,416.15
  6. Step 6: Final answer
    x = 1,773.70

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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.