Home / 3,013.63-4,518.16-2,086.58

Finding the Fourth Proportional to 3,013.63, 4,518.16 and 2,086.58

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Solution

The fourth proportional to 3,013.63, 4,518.16 and 2,086.58 is: 3,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.63 : 4,518.16 = 2,086.58 : x
  2. Step 2: Convert to fraction form
    3,013.63/4,518.16 = 2,086.58/x
  3. Step 3: Cross multiply
    3,013.63x = 4,518.16 × 2,086.58
  4. Step 4: Simplify right side
    3,013.63x = 9,427,502.29
  5. Step 5: Solve for x
    x = 9,427,502.29/3,013.63
  6. Step 6: Final answer
    x = 3,128.29

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1.5x scale

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.