Home / 2,009.79-3,014.63-1,087.16

Finding the Fourth Proportional to 2,009.79, 3,014.63 and 1,087.16

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Solution

The fourth proportional to 2,009.79, 3,014.63 and 1,087.16 is: 1,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.79 : 3,014.63 = 1,087.16 : x
  2. Step 2: Convert to fraction form
    2,009.79/3,014.63 = 1,087.16/x
  3. Step 3: Cross multiply
    2,009.79x = 3,014.63 × 1,087.16
  4. Step 4: Simplify right side
    2,009.79x = 3,277,364.64
  5. Step 5: Solve for x
    x = 3,277,364.64/2,009.79
  6. Step 6: Final answer
    x = 1,630.70

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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.