Home / 3,100.16-4,653.30-2,005.40

Finding the Fourth Proportional to 3,100.16, 4,653.30 and 2,005.40

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Solution

The fourth proportional to 3,100.16, 4,653.30 and 2,005.40 is: 3,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.16 : 4,653.30 = 2,005.40 : x
  2. Step 2: Convert to fraction form
    3,100.16/4,653.30 = 2,005.40/x
  3. Step 3: Cross multiply
    3,100.16x = 4,653.30 × 2,005.40
  4. Step 4: Simplify right side
    3,100.16x = 9,331,727.82
  5. Step 5: Solve for x
    x = 9,331,727.82/3,100.16
  6. Step 6: Final answer
    x = 3,010.08

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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.