Home / 2,687.64-4,030.84-1,518.16

Finding the Fourth Proportional to 2,687.64, 4,030.84 and 1,518.16

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Solution

The fourth proportional to 2,687.64, 4,030.84 and 1,518.16 is: 2,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.64 : 4,030.84 = 1,518.16 : x
  2. Step 2: Convert to fraction form
    2,687.64/4,030.84 = 1,518.16/x
  3. Step 3: Cross multiply
    2,687.64x = 4,030.84 × 1,518.16
  4. Step 4: Simplify right side
    2,687.64x = 6,119,460.05
  5. Step 5: Solve for x
    x = 6,119,460.05/2,687.64
  6. Step 6: Final answer
    x = 2,276.89

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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.