Home / 2,808.52-4,212.78-2,670.28

Finding the Fourth Proportional to 2,808.52, 4,212.78 and 2,670.28

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Solution

The fourth proportional to 2,808.52, 4,212.78 and 2,670.28 is: 4,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.52 : 4,212.78 = 2,670.28 : x
  2. Step 2: Convert to fraction form
    2,808.52/4,212.78 = 2,670.28/x
  3. Step 3: Cross multiply
    2,808.52x = 4,212.78 × 2,670.28
  4. Step 4: Simplify right side
    2,808.52x = 11,249,302.18
  5. Step 5: Solve for x
    x = 11,249,302.18/2,808.52
  6. Step 6: Final answer
    x = 4,005.42

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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.