Home / 2,814.77-3,885.03-1,636.02

Finding the Fourth Proportional to 2,814.77, 3,885.03 and 1,636.02

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Solution

The fourth proportional to 2,814.77, 3,885.03 and 1,636.02 is: 2,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.77 : 3,885.03 = 1,636.02 : x
  2. Step 2: Convert to fraction form
    2,814.77/3,885.03 = 1,636.02/x
  3. Step 3: Cross multiply
    2,814.77x = 3,885.03 × 1,636.02
  4. Step 4: Simplify right side
    2,814.77x = 6,355,986.78
  5. Step 5: Solve for x
    x = 6,355,986.78/2,814.77
  6. Step 6: Final answer
    x = 2,258.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.