Home / 3,515.60-4,853.77-2,191.25

Finding the Fourth Proportional to 3,515.60, 4,853.77 and 2,191.25

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Solution

The fourth proportional to 3,515.60, 4,853.77 and 2,191.25 is: 3,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.60 : 4,853.77 = 2,191.25 : x
  2. Step 2: Convert to fraction form
    3,515.60/4,853.77 = 2,191.25/x
  3. Step 3: Cross multiply
    3,515.60x = 4,853.77 × 2,191.25
  4. Step 4: Simplify right side
    3,515.60x = 10,635,823.51
  5. Step 5: Solve for x
    x = 10,635,823.51/3,515.60
  6. Step 6: Final answer
    x = 3,025.32

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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.