Home / 4,111.08-5,673.98-2,619.68

Finding the Fourth Proportional to 4,111.08, 5,673.98 and 2,619.68

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Solution

The fourth proportional to 4,111.08, 5,673.98 and 2,619.68 is: 3,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.08 : 5,673.98 = 2,619.68 : x
  2. Step 2: Convert to fraction form
    4,111.08/5,673.98 = 2,619.68/x
  3. Step 3: Cross multiply
    4,111.08x = 5,673.98 × 2,619.68
  4. Step 4: Simplify right side
    4,111.08x = 14,864,011.93
  5. Step 5: Solve for x
    x = 14,864,011.93/4,111.08
  6. Step 6: Final answer
    x = 3,615.60

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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.