Home / 4,083.60-5,635.26-2,315.28

Finding the Fourth Proportional to 4,083.60, 5,635.26 and 2,315.28

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Solution

The fourth proportional to 4,083.60, 5,635.26 and 2,315.28 is: 3,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.60 : 5,635.26 = 2,315.28 : x
  2. Step 2: Convert to fraction form
    4,083.60/5,635.26 = 2,315.28/x
  3. Step 3: Cross multiply
    4,083.60x = 5,635.26 × 2,315.28
  4. Step 4: Simplify right side
    4,083.60x = 13,047,204.77
  5. Step 5: Solve for x
    x = 13,047,204.77/4,083.60
  6. Step 6: Final answer
    x = 3,195.03

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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.